Good News! Pfizer Says its Vaccine is 90% Effective in Preventing COVID-19

*We know many of you aren’t too thrilled about the possibility of having to take a vaccine for #COVID19, but news of its developments is not slowing down. Healthcare and pharmaceutical company #Pfizer, has just announced that its vaccine is over 90% effective. According to @reuters, Pfizer said on Monday that the experimental vaccine it has been […]