Three studies are referenced in this article. The first is Household Transmission of SARS-CoV-2: A Systematic Review and Meta-analysis. Published by the Journal of the American Medical Association. December 14, 2020 Household secondary attack rates were increased from symptomatic index cases (18.0%; 95% CI, 14.2%-22.1%) than from asymptomatic index cases (0.7%; 95% CI, 0%-4.9%) The CDC defines…
It happened late this afternoon. The U.S. overtook China as having the most cases of Covid-19 in the whole world, as shown in the Johns Hopkins University table below. At first glance, it is scary because it looks like the epidemic is spreading like a raging wildfire. However, there is a silver lining. Most of…
The symptoms and the course of Covid-19 are mild in the majority of the cases (about 80%). Only a small number needs admission to the hospital. If most cases are mild, why is there a need for testing? Testing can protect the at-risk group. Protect from whom? Covid-19 cases including asymptomatic ones can spread the…
