The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...

Figure illustrates the overall symptomatology of Long COVID (panel A), and the shifting prevalence of Long COVID symptoms across SARS-CoV-2 variants, including Wild-type, Alpha, Delta, and Omicron ...

The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel. By Carl Zimmer By November 2021, nearly two years after the coronavirus emerged ...

The study evaluated GEO-CM04S1 in the K18-hACE2 lethal mouse model, comparing immune responses and efficacy to experimental MVA-vectored vaccine constructs expressing spike alone (S) or nucleocapsid ...

The race is on for new treatments that stand up to omicron's explosive spread. With omicron's explosive spread threatening to outpace current COVID-19 treatments, the race is on to find new options ...

The new Covid variant is continuing to proliferate around the U.S. — although you might not know it by just checking federal variant-tracking dashboards. Known as NB.1.8.1, the omicron variant has ...

HV.1 is the newest COVID-19 variant gaining steam in the U.S. Currently, the strain makes up nearly 20% of COVID-19 cases in the country. HV.1 descended from Omicron and EG.5. As we move into the ...

The coronavirus has come a long way since 2020. While the days of sanitizing Amazon packages and standing six feet apart may feel like they’re behind us (and they very well may be), the SARS-Co-V-2 ...

COVID-19 vaccination before or during pregnancy was linked to lower risk for severe maternal disease in the delta or omicron variant periods, ...

Most people sick with JN.1 will have mild symptoms — sore throat, fatigue, headache — but the number of severe cases is rising along with infection rates. A highly mutated version of the COVID-19 ...