The SARS-CoV-2 HV.1 variant is now the one showing most growth advantage in the US (New CDC data today). It is close to XBB.1.5, the target of the new booster; the graphic below shows differences for a few spike mutations. Get boosted to stay protected against these variants.

My sister has rebound covid 16 days after negative test from initial bout. Do studies recommend repeat paxlovid or metformin to avoid long covid from rebound? Her husband had rebound as well. Both live in Northern Ca and got it from guest who traveled from Ireland.

Do you happen to have a list of countries where updated COVID-19 vaccines are in use? We still have wild type Pfizer in South Africa, and I don't think anyone is funding clinical trials on that one's efficacy against current variants.

Any doubts?, read this www.statnews.com/2023/10/13/u...