Coronavirus Research: Pfizer vaccine provokes immune response Daily MailSacramento selected as COVID-19 vaccine trial site KCRA SacramentoU.S. health official says approval of COVID vaccines unlikely before November CGTNKaiser Permanente, UC Davis looking for volunteers for COVID-19 vaccine trials KTXL FOX 40 SacramentoWhy Is Everyone Talking About BioNTech Stock? Motley FoolView Full Coverage on Google News