A review of hundreds of cases finds that only a minority of patients noted being sick with a coronavirus infection prior to developing the severe inflammatory condition.
Rollouts of the shot have ground to a halt following reports of blood clots, but health authorities say that these fears are unfounded and vaccination programs should continue.
A treatment of two monoclonal antibodies against SARS-CoV-2 is ninefold less effective in the lab against the B.1.351 variant than against the dominant version of the virus.
The Johns Hopkins University researcher bucked the prevailing idea that the body would not launch an immune response against its own tissues, and in doing so established an entirely new scientific discipline.
By revealing that animals could develop immune responses against their own tissues, the physician-scientist established an entirely new field of science.