Monday, December 28, 2020

Asymptomatic Infection

 Journal of the AMA.  

Household Transmission of SARS-CoV-2A Systematic Review and Meta-analysis

Infections are primarily within household.  No surprise.  Infections by "asymptomatic index cases (0.7%; 95% CI, 0%-4.9%)"  Yes statistically indistinguishable from 0.  Don't expect to read this anywhere that has a an audience.

1 comment:

  1. It is important to not read this as meaning people who are not having symptoms are not infectious.

    Asymptomatic cases are people who never show symptoms.

    But it is known that people who do get sick spread the disease before they get symptoms - pre-symptomatic spread.

    At that point, they are indistinguishable from asymptomatic cases. It is only when the symptoms arrive that they can be detected.

    In other words, we have to act as if people without symptoms spread the disease, because asymptomatic *people* do spread it, before they realize they are sick and have symptoms.