A longitudinal study finds that older adults who recovered from COVID-19 mount weakened non-spike-specific Th1 CD4+ T cell ...

Preliminary data suggests the omicron variant may be more likely to cause infections among vaccinated people. The CDC forecasts that the new wave of COVID cases could top previous peaks by January as ...

The CDC keeps stressing Covid-19 vaccine shots are the best way to beat the Covid-19 pandemic. More than 99.99% of people fully vaccinated against Covid-19 have not had a breakthrough case resulting ...

They are known as “vaccine breakthrough cases’’. And while they are rare, experts say they are to be expected because no vaccine is 100 per cent effective. But the emerging issue poses significant ...

A joint statement released by the Israeli Ministry of Defence and the Israel Institute for Biological Research said the research team had finished the development phase of a coronavirus vaccine. The ...

Washington: I was supposed to meet up with my friend Hugo this weekend, but that won’t be happening anymore. Hugo, a 28-year old architect who lives in New York, has been diagnosed with the ...

The CDC forecasts that the new wave of COVID cases could top previous peaks by January as the demand for at-home test surges. AP Photo/Matt Rourke NEW YORK -- As Americans brace for the possibility of ...