
Pfizer said Wednesday that new test results show its coronavirus vaccine is 95% effective, is safe and also protects older people most at risk of dying the last data needed to seek emergency use of l… [+3748 chars]

Pfizer said Wednesday that new test results show its coronavirus vaccine is 95% effective, is safe and also protects older people most at risk of dying the last data needed to seek emergency use of l… [+3748 chars]