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Association of Culturable-Virus Detection and Household Transmission of SARS-CoV-2, California and Tennessee, 2020-2022.
Deyoe, Jessica E; Kelly, J Daniel; Grijalva, Carlos G; Bonenfant, Gaston; Lu, Scott; Anglin, Khamal; Garcia-Knight, Miguel; Pineda-Ramirez, Jesus; Hagen, Melissa Briggs; Saydah, Sharon; Abedi, Glen R; Goldberg, Sarah A; Tassetto, Michel; Zhang, Amethyst; Donohue, Kevin C; Davidson, Michelle C; Sanchez, Ruth Diaz; Djomaleu, Manuella; Mathur, Sujata; Shak, Joshua R; Deeks, Steven G; Peluso, Michael J; Chiu, Charles Y; Zhu, Yuwei; Halasa, Natasha B; Chappell, James D; Mellis, Alexandra; Reed, Carrie; Andino, Raul; Martin, Jeffrey N; Zhou, Bin; Talbot, H Keipp; Midgley, Claire M; Rolfes, Melissa A.
  • Deyoe JE; Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
  • Kelly JD; Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA.
  • Grijalva CG; Institute for Global Health Sciences, University of California, San Francisco, California, USA.
  • Bonenfant G; San Francisco VA Medical Center, San Francisco, California, USA.
  • Lu S; F.I. Proctor Foundation, University of California, San Francisco, California, USA.
  • Anglin K; Vanderbilt University Medical Center, Nashville, Tennessee, USA.
  • Garcia-Knight M; Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
  • Pineda-Ramirez J; Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA.
  • Hagen MB; Institute for Global Health Sciences, University of California, San Francisco, California, USA.
  • Saydah S; Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA.
  • Abedi GR; Institute for Global Health Sciences, University of California, San Francisco, California, USA.
  • Goldberg SA; Department of Microbiology and Immunology, University of California, San Francisco, California, USA.
  • Tassetto M; Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA.
  • Zhang A; Institute for Global Health Sciences, University of California, San Francisco, California, USA.
  • Donohue KC; Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
  • Davidson MC; Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
  • Sanchez RD; Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
  • Djomaleu M; Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA.
  • Mathur S; Institute for Global Health Sciences, University of California, San Francisco, California, USA.
  • Shak JR; Department of Microbiology and Immunology, University of California, San Francisco, California, USA.
  • Deeks SG; Department of Microbiology and Immunology, University of California, San Francisco, California, USA.
  • Peluso MJ; School of Medicine, University of California, San Francisco, California, USA.
  • Chiu CY; School of Medicine, University of California, San Francisco, California, USA.
  • Zhu Y; Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA.
  • Halasa NB; Institute for Global Health Sciences, University of California, San Francisco, California, USA.
  • Chappell JD; Department of Microbiology and Immunology, University of California, San Francisco, California, USA.
  • Mellis A; Department of Epidemiology and Biostatistics, University of California, San Francisco, California, USA.
  • Reed C; Institute for Global Health Sciences, University of California, San Francisco, California, USA.
  • Andino R; San Francisco VA Medical Center, San Francisco, California, USA.
  • Martin JN; School of Medicine, University of California, San Francisco, California, USA.
  • Zhou B; Division of HIV, Infectious Disease, and Global Medicine, University of California, San Francisco, California, USA.
  • Talbot HK; Division of HIV, Infectious Disease, and Global Medicine, University of California, San Francisco, California, USA.
  • Midgley CM; Division of Infectious Diseases, University of California, San Francisco, California, USA.
  • Rolfes MA; Vanderbilt University Medical Center, Nashville, Tennessee, USA.
J Infect Dis ; 227(12): 1343-1347, 2023 06 15.
Article in English | MEDLINE | ID: covidwho-2222658
ABSTRACT
From 2 severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) household transmission studies (enrolling April 2020 to January 2022) with rapid enrollment and specimen collection for 14 days, 61% (43/70) of primary cases had culturable virus detected ≥6 days post-onset. Risk of secondary infection among household contacts tended to be greater when primary cases had culturable virus detected after onset. Regardless of duration of culturable virus, most secondary infections (70%, 28/40) had serial intervals <6 days, suggesting early transmission. These data examine viral culture as a proxy for infectiousness, reaffirm the need for rapid control measures after infection, and highlight the potential for prolonged infectiousness (≥6 days) in many individuals.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study / Prognostic study Limits: Humans Country/Region as subject: North America Language: English Journal: J Infect Dis Year: 2023 Document Type: Article Affiliation country: Infdis

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study / Prognostic study Limits: Humans Country/Region as subject: North America Language: English Journal: J Infect Dis Year: 2023 Document Type: Article Affiliation country: Infdis