vaccine, ” said Ali Ellebedy, an immunologist at Washington University in St.... From 14 of these

got the vaccine will have an immunity that would last years and even a lifetime.Dr Ali Ellebedy is the

And some outside experts were cautious of the findings and wary of how they might be interpreted.“ The bottom line message is that from symptomatic COVID infection you do generate some immunity, ” said immunologist E. John Wherry of the University of Pennsylvania.... Vaccination has long been urged even after a prior case of COVID-19 because both kinds of protection eventually wane — and there are too many unknowns to rely only on a past infection, especially a long-ago one, added immunologist

We’re covering the events that led to China’s takeover of Hong Kong and good news about mRNA vaccines.... The study did not consider the Johnson Johnson shot, which is made with a different technology. Caveats: The protection is most reliable if the virus and its variants do not evolve much beyond their current forms — which is by no means guaranteed.... The deal would ease sanctions on Tehran in return for limits on its nuclear program....