Datasets

Clinical characteristics of pediatric SARS-CoV-2 infection and coronavirus disease 2019 (COVID-19) in Kuwait

alsharrah2020clinical

29 participants 75 measurements

SARS-CoV-2

Detection of Norovirus in Saliva Samples from Acute Gastroenteritis Cases and Asymptomatic Subjects: Association with Age and Higher Shedding in Stool

anfrunsestrada2020detection

8 participants 8 measurements

norovirus

Duration of norovirus excretion and the longitudinal course of viral load in norovirus-infected elderly patients

aoki2010duration

13 participants 57 measurements

norovirus

Longitudinal and quantitative fecal shedding dynamics of SARS-CoV-2, pepper mild mottle virus, and crAssphage

arts2023longitudinal

48 participants 1502 measurements

SARS-CoV-2 PMMoV crAssphage

Norwalk virus shedding after experimental human infection

atmar2008norwalk

16 participants 182 measurements

norovirus

Influenza and respiratory syncytial virus screening for the detection of asymptomatically infected patients in hematology and oncology

baier2018influenza

6 participants 20 measurements

influenza RSV

Adenovirus infections in Bordeaux University Hospital 2008-2010: clinical and virological features

berciaud2012adenovirus

4 participants 27 measurements

adenovirus

Rapid quantification and differentiation of human polyomavirus DNA in undiluted urine from patients after bone marrow transplantation

biel2000rapid

4 participants 55 measurements

BK polyomavirus

Prolonged viral replication and longitudinal viral dynamic differences among respiratory syncytial virus infected infants

brint2017prolonged

25 participants 212 measurements

RSV

Presymptomatic viral shedding in high-risk mpox contacts: A prospective cohort study

brosius2023presymptomatic

12 participants 490 measurements

mpox

Rotavirus A shedding and HBGA host genetic susceptibility in a birth community-cohort, Rio de Janeiro, Brazil, 2014-2018

cantelli2020rotavirus

46 participants 50 measurements

rotavirus vaccine

Centers for Disease Control and Prevention (CDC) Nursing Home Public Health Response Network (NHPHRN)

cdc2024nhphrn

84 participants 2758 measurements

SARS-CoV-2

A pilot study on use of live attenuated rotavirus vaccine (Rotarix™) as an infection challenge model

chilengi2020pilot

21 participants 48 measurements

rotavirus

Temporal dynamics of RSV shedding and genetic diversity in adults during the COVID-19 pandemic in a French hospital, early 2021

coppee2023temporal

8 participants 33 measurements

RSV

Clinical and virologic characteristics of the first 12 patients with coronavirus disease 2019 (COVID-19) in the United States

covid2020clinical

12 participants 442 measurements

SARS-CoV-2

Rotavirus shedding following administration of RV3-BB human neonatal rotavirus vaccine

cowley2017rotavirus

16 participants 239 measurements

rotavirus vaccine

Fatal outcome of human influenza A (H5N1) is associated with high viral load and hypercytokinemia

de2006fatal

2 participants 22 measurements

influenza

Safety and Antiviral Effects of Nebulized PC786 in a Respiratory Syncytial Virus Challenge Study

devincenzo2022safety

12 participants 19 measurements

RSV

Respiratory syncytial virus load, viral dynamics, and disease severity in previously healthy naturally infected children

el2011respiratory

8 participants 30 measurements

RSV

Similarities in rotavirus vaccine viral shedding and immune responses in pairs of twins

enya2023similarities

20 participants 347 measurements

rotavirus vaccine

SARS-CoV-2 viral load is associated with increased disease severity and mortality

fajnzylber2020sars

88 participants 434 measurements

SARS-CoV-2

Comparison of quantitative reverse transcription-PCR to viral culture for assessment of respiratory syncytial virus shedding

falsey2003comparison

12 participants 168 measurements

RSV

An oral norovirus vaccine generates mucosal immunity and reduces viral shedding in a phase 2 placebo-controlled challenge study

flitter2025oral

141 participants 647 measurements

norovirus

Viral shedding and susceptibility to oseltamivir in hospitalized immunocompromised patients with influenza in the Influenza Resistance Information Study (IRIS)

fraaij2015viral

4 participants 14 measurements

influenza

Viral dynamics in transplant patients: implications for disease

funk2007viral

1 participants 5 measurements

BK polyomavirus

Infectious viral shedding of SARS-CoV-2 Delta following vaccination: A longitudinal cohort study

garciaknight2022infectious

82 participants 985 measurements

SARS-CoV-2

Hydroxychloroquine and azithromycin as a treatment of COVID-19:results of an open-label non-randomized clinical trial

gautret2020hydroxychloroquine

19 participants 126 measurements

SARS-CoV-2

Effect of Norovirus Inoculum Dose on Virus Kinetics, Shedding, and Symptoms

ge2023effect

20 participants 464 measurements

norovirus

Viral load in hospitalized infants with respiratory syncytial virus bronchiolitis: a three-way comparative analysis

golantripto2024viral

13 participants 100 measurements

RSV

Nosocomial acute gastroenteritis outbreak caused by an equine-like G3P[8] DS-1-like rotavirus and GII.4 Sydney[P16] norovirus at a pediatric hospital in Rio de Janeiro, Brazil, 2019

gutierrez2021nosocomial

9 participants 18 measurements

rotavirus norovirus

Onset and window of SARS-CoV-2 infectiousness and temporal correlation with symptom onset: a prospective, longitudinal, community cohort study

hakki2022onset

50 participants 1428 measurements

SARS-CoV-2

Sequential Analysis of Viral Load in a Neonate and Her Mother Infected With Severe Acute Respiratory Syndrome Coronavirus 2

han2020sequential

2 participants 51 measurements

SARS-CoV-2

Infectious human adenoviruses are shed in urine even after disappearance of urethral symptoms

hanaoka2019infectious

32 participants 72 measurements

adenovirus

Rotavirus Vaccination Can Be Performed Without Viral Dissemination in the Neonatal Intensive Care Unit

hiramatsu2018rotavirus

19 participants 200 measurements

rotavirus vaccine

Association between adverse clinical outcome in human disease caused by novel influenza A H7N9 virus and sustained viral shedding and emergence of antiviral resistance

hu2013association

14 participants 341 measurements

influenza

Prolonged shedding of type 55 human adenovirus in immunocompetent adults with adenoviral respiratory infections

huh2019prolonged

5 participants 26 measurements

adenovirus

Quantitative analysis of fecal sapovirus shedding: identification of nucleotide substitutions in the capsid protein during prolonged excretion

iwakiri2009quantitative

17 participants 41 measurements

sapovirus

Differentiation between Wild-Type Group A Rotaviruses and Vaccine Strains in Cases of Suspected Horizontal Transmission and Adverse Events Following Vaccination

jacobsen2022differentiation

28 participants 28 measurements

rotavirus vaccine

Estimating infectiousness throughout SARS-CoV-2 infection course

jones2021estimating

25378 participants 29712 measurements

SARS-CoV-2

Presence of enteric hepatitis viruses in the sewage and population of Greater Cairo

kamel2011presence

36 participants 36 measurements

hepatitis A virus

Shedding of pandemic (H1N1) 2009 virus among health care personnel, Seattle, Washington, USA

kay2011shedding

14 participants 43 measurements

influenza

Daily Longitudinal Sampling of SARS-CoV-2 Infection Reveals Substantial Heterogeneity in Infectiousness

ke2022daily

60 participants 1699 measurements

SARS-CoV-2

Viral Load Kinetics of SARS-CoV-2 Infection in First Two Patients in Korea

kim2020viral

2 participants 170 measurements

SARS-CoV-2

Viral kinetics of SARS-CoV-2 in asymptomatic carriers and presymptomatic patients

kimse2020viral

13 participants 61 measurements

SARS-CoV-2

Disease course and viral shedding in experimental Norwalk virus and Snow Mountain virus infection

kirby2014disease

24 participants 190 measurements

norovirus

Vomiting as a Symptom and Transmission Risk in Norovirus Illness: Evidence from Human Challenge Studies

kirby2016vomiting

9 participants 77 measurements

norovirus

Densely sampled viral trajectories suggest longer duration of acute infection with B.1.1.7 variant relative to non-B.1.1.7 SARS-CoV-2

kissler2021densely

65 participants 3882 measurements

SARS-CoV-2

Viral dynamics of acute SARS-CoV-2 infection and applications to diagnostic and public health strategies

kissler2021viral

68 participants 4822 measurements

SARS-CoV-2

Influenza Virus Shedding in Laninamivir-Treated Children upon Returning to School

kondo2016influenza

28 participants 84 measurements

influenza

Small quantities of respiratory syncytial virus RNA only in large droplets around infants hospitalized with acute respiratory infections

kutter2021small

18 participants 58 measurements

RSV rhinovirus

Suppression of a SARS-CoV-2 outbreak in the Italian municipality of Vo

lavezzo2020suppression

141 participants 526 measurements

SARS-CoV-2

Clinical and virological characteristics of viral shedding in children with norovirus gastroenteritis

lee2022clinical

55 participants 64 measurements

norovirus

Clinical and virological data of the first cases of COVID-19 in Europe: a case series

lescure2020clinical

5 participants 42 measurements

SARS-CoV-2

Faecal shedding of rotavirus vaccine in Chinese children after vaccination with Lanzhou lamb rotavirus vaccine

li2018faecal

16 participants 143 measurements

Lanzhou lamb rotavirus vaccine

Adenovirus infections in immunocompetent and immunocompromised patients

lion2014adenovirus

2 participants 161 measurements

adenovirus

Longitudinal Fecal Shedding of SARS-CoV-2, Pepper Mild Mottle Virus, and Human Mitochondrial DNA in COVID-19 Patients

liu2024longitudinal

42 participants 465 measurements

SARS-CoV-2 PMMoV mtDNA

Quantitative detection of norovirus excretion in pediatric patients with cancer and prolonged gastroenteritis and shedding of norovirus

ludwig2008quantitative

9 participants 80 measurements

norovirus

Viral dynamics of SARS-CoV-2 across a spectrum of disease severity in COVID-19

lui2020viral

11 participants 43 measurements

SARS-CoV-2

Detection of hepatitis A virus RNA in saliva

mackiewicz2004detection

6 participants 12 measurements

hepatitis A virus

An adenovirus type F41 outbreak in a pediatric bone marrow transplant unit: analysis of clinical impact and preventive strategies

mattner2008adenovirus

8 participants 28 measurements

adenovirus

Shedding of porcine circovirus type 1 DNA and rotavirus RNA by infants vaccinated with Rotarix®

mijatovicrustempasic2017shedding

33 participants 537 measurements

rotavirus vaccine

Rotavirus vaccine strain transmission by vaccinated infants in the foster home

miura2017rotavirus

3 participants 146 measurements

rotavirus vaccine

Long-term viral shedding and viral genome mutation in norovirus infection

miyoshi2015long

4 participants 37 measurements

norovirus

Gastrointestinal symptoms and fecal shedding of SARS-CoV-2 RNA suggest prolonged gastrointestinal infection

natarajan2022gastrointestinal

113 participants 7563 measurements

SARS-CoV-2

Norovirus in symptomatic and asymptomatic individuals: cytokines and viral shedding

newman2016norovirus

25 participants 263 measurements

norovirus

Single base substitutions in the capsid region of the norovirus genome during viral shedding in cases of infection in areas where norovirus infection is endemic

obara2008single

2 participants 11 measurements

norovirus

Prevalence and duration of SARS-CoV-2 fecal shedding in breastfeeding dyads following maternal COVID-19 diagnosis

pace2024prevalence

64 participants 369 measurements

SARS-CoV-2

Clinical progression and viral load in a community outbreak of coronavirus-associated SARS pneumonia: a prospective study

peiris2003clinical

14 participants 42 measurements

SARS

Standardization of a high-performance RT-qPCR for viral load absolute quantification of influenza A

pereira2022standardization

19 participants 38 measurements

influenza

Respiratory Syncytial Virus-Load Kinetics and Clinical Course of Acute Bronchiolitis in Hospitalized Infants: Interim Results and Review of the Literature

piccirilli2023respiratory

36 participants 118 measurements

RSV

Different drug-resistant influenza A(H3N2) variants in two immunocompromised patients treated with oseltamivir during the 2011–2012 influenza season in Italy

piralla2013different

48 participants 127 measurements

influenza

Assessment of a rapid immunochromatographic test for the diagnosis of norovirus gastroenteritis

pombubpa2012assessment

7 participants 7 measurements

norovirus

A non-enteric adenovirus A12 gastroenteritis outbreak in Rio de Janeiro, Brazil

portes2016non

9 participants 10 measurements

adenovirus

Influenza A(H1N1)pdm09 infection and viral load analysis in patients with different clinical presentations

rodrigues2020influenza

10 participants 33 measurements

influenza

Effective Aerosol Inoculation of Dose-Escalated Seasonal Influenza H3N2 Virus in Controlled Human Infection Model

rouphael2025effective

8 participants 532 measurements

influenza

Epidemiological Correlates of Polymerase Chain Reaction Cycle Threshold Values in the Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)

salvatore2020epidemiological

93 participants 223 measurements

SARS-CoV-2

Viral dynamics of the Respiratory Syncytial Virus during experimental human challenge: insights for transmission and protection

schumer2026viral

25 participants 895 measurements

RSV

Clinical features and outcomes of influenza infections in lung transplant recipients: a single-season cohort study

schuurmans2014clinical

22 participants 60 measurements

influenza

Assessing Viral Shedding and Infectivity of Tears in Coronavirus Disease 2019 (COVID-19) Patients

seah2020assessing

17 participants 134 measurements

SARS-CoV-2

Influenza virus infection and aerosol shedding kinetics in a controlled human infection model

shetty2024influenza

8 participants 218 measurements

influenza

Distribution of Transmission Potential During Nonsevere COVID-19 Illness

shrestha2020distribution

230 participants 528 measurements

SARS-CoV-2

Characterization of emerging GII.g/GII.12 noroviruses from a gastroenteritis outbreak in the United States in 2010

takanashi2011characterization

1 participants 11 measurements

norovirus

Early induction of functional SARS-CoV-2-specific T cells associates with rapid viral clearance and mild disease in COVID-19 patients

tan2021early

12 participants 82 measurements

SARS-CoV-2

Clinical and virologic characteristics of the first 12 patients with coronavirus disease 2019 (COVID-19) in the United States

team2020clinical

12 participants 121 measurements

SARS-CoV-2

Shedding of norovirus in symptomatic and asymptomatic infections

teunis2015shedding

102 participants 450 measurements

norovirus

High and persistent excretion of hepatitis A virus in immunocompetent patients

tjon2006high

3 participants 23 measurements

hepatitis A virus

Individual Correlates of Infectivity of Influenza A Virus Infections in Households

tsang2016individual

478 participants 1154 measurements

influenza

Norovirus excretion in an aged-care setting

tu2008norovirus

59 participants 59 measurements

norovirus

Daily Viral Kinetics and Innate and Adaptive Immune Response Assessment in COVID-19: a Case Series

vetter2020daily

5 participants 74 measurements

SARS-CoV-2

Viral shedding and immune responses to respiratory syncytial virus infection in older adults

walsh2013viral

22 participants 120 measurements

RSV

Fecal viral shedding in COVID-19 patients: Clinical significance, viral load dynamics and survival analysis

wang2020fecal

11 participants 112 measurements

SARS-CoV-2

Virological assessment of hospitalized patients with COVID-2019

woelfel2020virological

9 participants 382 measurements

SARS-CoV-2

Prolonged viral shedding in feces of pediatric patients with coronavirus disease 2019

xing2020prolonged

1 participants 36 measurements

SARS-CoV-2

Characteristics of pediatric SARS-CoV-2 infection and potential evidence for persistent fecal viral shedding

xu2020characteristics

8 participants 107 measurements

SARS-CoV-2

Laboratory Diagnosis and Monitoring the Viral Shedding of SARS-CoV-2 Infection

yang2020laboratory

28 participants 361 measurements

SARS-CoV-2

Detection of fecal shedding of rotavirus vaccine in infants following their first dose of pentavalent rotavirus vaccine

yen2011detection

22 participants 57 measurements

rotavirus vaccine

Upper Respiratory Tract Levels of Severe Acute Respiratory Syndrome Coronavirus 2 RNA and Duration of Viral RNA Shedding Do Not Differ Between Patients With Mild and Severe/Critical Coronavirus Disease 2019

yilmaz2020upper

54 participants 349 measurements

SARS-CoV-2

Epidemiologic Features and Clinical Course of Patients Infected With SARS-CoV-2 in Singapore

young2020epidemiologic

18 participants 216 measurements

SARS-CoV-2

SARS-CoV-2 viral shedding characteristics and potential evidence for the priority for faecal specimen testing in diagnosis

yuan2021sars

10 participants 422 measurements

SARS-CoV-2

Adenovirus viremia may predict adenovirus pneumonia severity in immunocompetent children

zhang2021adenovirus

7 participants 17 measurements

adenovirus

Alterations in Gut Microbiota of Patients With COVID-19 During Time of Hospitalization

zuo2020alterations

15 participants 52 measurements

SARS-CoV-2

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Clinical characteristics of pediatric SARS-CoV-2 infection and coronavirus disease 2019 (COVID-19) in Kuwait

Detection of Norovirus in Saliva Samples from Acute Gastroenteritis Cases and Asymptomatic Subjects: Association with Age and Higher Shedding in Stool

Duration of norovirus excretion and the longitudinal course of viral load in norovirus-infected elderly patients

Longitudinal and quantitative fecal shedding dynamics of SARS-CoV-2, pepper mild mottle virus, and crAssphage

Norwalk virus shedding after experimental human infection

Influenza and respiratory syncytial virus screening for the detection of asymptomatically infected patients in hematology and oncology

Adenovirus infections in Bordeaux University Hospital 2008-2010: clinical and virological features

Rapid quantification and differentiation of human polyomavirus DNA in undiluted urine from patients after bone marrow transplantation

Prolonged viral replication and longitudinal viral dynamic differences among respiratory syncytial virus infected infants

Presymptomatic viral shedding in high-risk mpox contacts: A prospective cohort study

Rotavirus A shedding and HBGA host genetic susceptibility in a birth community-cohort, Rio de Janeiro, Brazil, 2014-2018

Centers for Disease Control and Prevention (CDC) Nursing Home Public Health Response Network (NHPHRN)

A pilot study on use of live attenuated rotavirus vaccine (Rotarix™) as an infection challenge model

Temporal dynamics of RSV shedding and genetic diversity in adults during the COVID-19 pandemic in a French hospital, early 2021

Clinical and virologic characteristics of the first 12 patients with coronavirus disease 2019 (COVID-19) in the United States

Rotavirus shedding following administration of RV3-BB human neonatal rotavirus vaccine

Fatal outcome of human influenza A (H5N1) is associated with high viral load and hypercytokinemia

Safety and Antiviral Effects of Nebulized PC786 in a Respiratory Syncytial Virus Challenge Study

Respiratory syncytial virus load, viral dynamics, and disease severity in previously healthy naturally infected children

Similarities in rotavirus vaccine viral shedding and immune responses in pairs of twins

SARS-CoV-2 viral load is associated with increased disease severity and mortality

Comparison of quantitative reverse transcription-PCR to viral culture for assessment of respiratory syncytial virus shedding

An oral norovirus vaccine generates mucosal immunity and reduces viral shedding in a phase 2 placebo-controlled challenge study

Viral shedding and susceptibility to oseltamivir in hospitalized immunocompromised patients with influenza in the Influenza Resistance Information Study (IRIS)

Viral dynamics in transplant patients: implications for disease

Infectious viral shedding of SARS-CoV-2 Delta following vaccination: A longitudinal cohort study

Hydroxychloroquine and azithromycin as a treatment of COVID-19:results of an open-label non-randomized clinical trial

Effect of Norovirus Inoculum Dose on Virus Kinetics, Shedding, and Symptoms

Viral load in hospitalized infants with respiratory syncytial virus bronchiolitis: a three-way comparative analysis

Nosocomial acute gastroenteritis outbreak caused by an equine-like G3P[8] DS-1-like rotavirus and GII.4 Sydney[P16] norovirus at a pediatric hospital in Rio de Janeiro, Brazil, 2019

Onset and window of SARS-CoV-2 infectiousness and temporal correlation with symptom onset: a prospective, longitudinal, community cohort study

Sequential Analysis of Viral Load in a Neonate and Her Mother Infected With Severe Acute Respiratory Syndrome Coronavirus 2

Infectious human adenoviruses are shed in urine even after disappearance of urethral symptoms

Rotavirus Vaccination Can Be Performed Without Viral Dissemination in the Neonatal Intensive Care Unit

Association between adverse clinical outcome in human disease caused by novel influenza A H7N9 virus and sustained viral shedding and emergence of antiviral resistance

Prolonged shedding of type 55 human adenovirus in immunocompetent adults with adenoviral respiratory infections

Quantitative analysis of fecal sapovirus shedding: identification of nucleotide substitutions in the capsid protein during prolonged excretion

Differentiation between Wild-Type Group A Rotaviruses and Vaccine Strains in Cases of Suspected Horizontal Transmission and Adverse Events Following Vaccination

Estimating infectiousness throughout SARS-CoV-2 infection course

Presence of enteric hepatitis viruses in the sewage and population of Greater Cairo

Shedding of pandemic (H1N1) 2009 virus among health care personnel, Seattle, Washington, USA

Daily Longitudinal Sampling of SARS-CoV-2 Infection Reveals Substantial Heterogeneity in Infectiousness

Viral Load Kinetics of SARS-CoV-2 Infection in First Two Patients in Korea

Viral kinetics of SARS-CoV-2 in asymptomatic carriers and presymptomatic patients

Disease course and viral shedding in experimental Norwalk virus and Snow Mountain virus infection

Vomiting as a Symptom and Transmission Risk in Norovirus Illness: Evidence from Human Challenge Studies

Densely sampled viral trajectories suggest longer duration of acute infection with B.1.1.7 variant relative to non-B.1.1.7 SARS-CoV-2

Viral dynamics of acute SARS-CoV-2 infection and applications to diagnostic and public health strategies

Influenza Virus Shedding in Laninamivir-Treated Children upon Returning to School

Small quantities of respiratory syncytial virus RNA only in large droplets around infants hospitalized with acute respiratory infections

Suppression of a SARS-CoV-2 outbreak in the Italian municipality of Vo

Clinical and virological characteristics of viral shedding in children with norovirus gastroenteritis

Clinical and virological data of the first cases of COVID-19 in Europe: a case series

Faecal shedding of rotavirus vaccine in Chinese children after vaccination with Lanzhou lamb rotavirus vaccine

Adenovirus infections in immunocompetent and immunocompromised patients

Longitudinal Fecal Shedding of SARS-CoV-2, Pepper Mild Mottle Virus, and Human Mitochondrial DNA in COVID-19 Patients

Quantitative detection of norovirus excretion in pediatric patients with cancer and prolonged gastroenteritis and shedding of norovirus

Viral dynamics of SARS-CoV-2 across a spectrum of disease severity in COVID-19

Detection of hepatitis A virus RNA in saliva

An adenovirus type F41 outbreak in a pediatric bone marrow transplant unit: analysis of clinical impact and preventive strategies

Shedding of porcine circovirus type 1 DNA and rotavirus RNA by infants vaccinated with Rotarix®

Rotavirus vaccine strain transmission by vaccinated infants in the foster home

Long-term viral shedding and viral genome mutation in norovirus infection

Gastrointestinal symptoms and fecal shedding of SARS-CoV-2 RNA suggest prolonged gastrointestinal infection

Norovirus in symptomatic and asymptomatic individuals: cytokines and viral shedding

Single base substitutions in the capsid region of the norovirus genome during viral shedding in cases of infection in areas where norovirus infection is endemic

Prevalence and duration of SARS-CoV-2 fecal shedding in breastfeeding dyads following maternal COVID-19 diagnosis

Clinical progression and viral load in a community outbreak of coronavirus-associated SARS pneumonia: a prospective study

Standardization of a high-performance RT-qPCR for viral load absolute quantification of influenza A

Respiratory Syncytial Virus-Load Kinetics and Clinical Course of Acute Bronchiolitis in Hospitalized Infants: Interim Results and Review of the Literature

Different drug-resistant influenza A(H3N2) variants in two immunocompromised patients treated with oseltamivir during the 2011–2012 influenza season in Italy

Assessment of a rapid immunochromatographic test for the diagnosis of norovirus gastroenteritis

A non-enteric adenovirus A12 gastroenteritis outbreak in Rio de Janeiro, Brazil

Influenza A(H1N1)pdm09 infection and viral load analysis in patients with different clinical presentations

Effective Aerosol Inoculation of Dose-Escalated Seasonal Influenza H3N2 Virus in Controlled Human Infection Model

Epidemiological Correlates of Polymerase Chain Reaction Cycle Threshold Values in the Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)