The Household Secondary Attack Rate of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2): A Rapid Review.
Hannah F FungLeonardo MartinezFernando Alarid-EscuderoJoshua A SalomonDavid M StuddertJason R AndrewsJeremy D Goldhaber-Fiebertnull nullPublished in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2021)
These findings suggest that SARs reported using a single follow-up test may be underestimated, and that testing household contacts of COVID-19 cases on multiple occasions may increase the yield for identifying secondary cases.