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Deprecated: Implicit conversion from float 302.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Clin+Infect+Dis 2021 ; 73 (7): e1841-e1849 Nephropedia Template TP
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A Prospective Cohort Study in Nonhospitalized Household Contacts With Severe Acute Respiratory Syndrome Coronavirus 2 Infection: Symptom Profiles and Symptom Change Over Time #MMPMID32719874
Yousaf AR; Duca LM; Chu V; Reses HE; Fajans M; Rabold EM; Laws RL; Gharpure R; Matanock A; Wadhwa A; Pomeroy M; Njuguna H; Fox G; Binder AM; Christiansen A; Freeman B; Gregory C; Tran CH; Owusu D; Ye D; Dietrich E; Pevzner E; Conners EE; Pray I; Rispens J; Vuong J; Christensen K; Banks M; O'Hegarty M; Mills L; Lester S; Thornburg NJ; Lewis N; Dawson P; Marcenac P; Salvatore P; Chancey RJ; Fields V; Buono S; Yin S; Gerber S; Kiphibane T; Dasu T; Bhattacharyya S; Westergaard R; Dunn A; Hall AJ; Fry AM; Tate JE; Kirking HL; Nabity S
Clin Infect Dis 2021[Oct]; 73 (7): e1841-e1849 PMID32719874show ga
BACKGROUND: Improved understanding of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spectrum of disease is essential for clinical and public health interventions. There are limited data on mild or asymptomatic infections, but recognition of these individuals is key as they contribute to viral transmission. We describe the symptom profiles from individuals with mild or asymptomatic SARS-CoV-2 infection. METHODS: From 22 March to 22 April 2020 in Wisconsin and Utah, we enrolled and prospectively observed 198 household contacts exposed to SARS-CoV-2. We collected and tested nasopharyngeal specimens by real-time reverse-transcription polymerase chain reaction (rRT-PCR) 2 or more times during a 14-day period. Contacts completed daily symptom diaries. We characterized symptom profiles on the date of first positive rRT-PCR test and described progression of symptoms over time. RESULTS: We identified 47 contacts, median age 24 (3-75) years, with detectable SARS-CoV-2 by rRT-PCR. The most commonly reported symptoms on the day of first positive rRT-PCR test were upper respiratory (n = 32 [68%]) and neurologic (n = 30 [64%]); fever was not commonly reported (n = 9 [19%]). Eight (17%) individuals were asymptomatic at the date of first positive rRT-PCR collection; 2 (4%) had preceding symptoms that resolved and 6 (13%) subsequently developed symptoms. Children less frequently reported lower respiratory symptoms (21%, 60%, and 69% for <18, 18-49, and >/=50 years of age, respectively; P = .03). CONCLUSIONS: Household contacts with laboratory-confirmed SARS-CoV-2 infection reported mild symptoms. When assessed at a single timepoint, several contacts appeared to have asymptomatic infection; however, over time all developed symptoms. These findings are important to inform infection control, contact tracing, and community mitigation strategies.