article earlier this week, although the results are still preliminary and the data have not yet been published, this is promising news, suggesting COVID-19 vaccines may be more effective than expected.
But even if one or more vaccines are approved by the end of the year, widespread deployment will take several more months. Bay Area hospitals and other front-line providers are already making plans to deploy the first vaccines that receive emergency approval."90% efficacy is far better than even most optimistic projections," Dr.
Bob Wachter, chair of the UCSF Department of Medicine wrote in a tweet. "While being appropriately excited ... it's worth remembering that it probably won't make a material difference in everybody's life, schools.