Spring has arrived with sunshine and warmer weather, and many older adults who have been vaccinated are emerging from COVID-19-imposed hibernation.
Clinical trials showed the Pfizer vaccine was “95% effective at preventing laboratory-confirmed COVID-19 illness in people without evidence of previous infection.”...
Doctors hope the one-time treatment, which involves permanently altering DNA in blood cells with a tool called CRISPR, may treat and possibly cure sickle cell disease...