Though the CDC recommended staying within your household for the holiday, most did not. Dr. Collier shares the different risk factors of traveling plus some coronavirus updates. See more at the * * * #RickeySmileyMorningShow #coronavirus #DrCollier
Designers of COVID-19 vaccines appear to have made a spectacularly successful bet. When devising a vaccine against a virus, scientists choose ways to mimic it that they hope will safely teach the immune system how to defeat the foreign invader.