COVID-19 breakthrough cases more often affect seniors, survey of health officials finds … COVID-19 antibodies still around nine months after infection … High blood pressure variability is associated...
Immune system boost is reason not to skip second COVID-19 shot, study finds
By
Liza Berger
Jul 20, 2021
The second dose of a COVID-19 vaccine offers a serious boost to a part of the immune system that provides broad antiviral protection, according to a Stanford University School of Medicine study. This finding...