Australian Scientists Raise Doubts Over Vaccine Efficacy as Infections Fall Australian Scientists Raise Doubts Over Vaccine Efficacy as Infections Fall

Australian scientists have raised questions over the efficacy of the AstraZeneca COVID-19 vaccine in establishing herd immunity, calling for a pause on its widespread rollout as the country recorded one new coronavirus case on Wednesday.Reuters Health Information
Source: Medscape Medical News Headlines - Category: Consumer Health News Tags: Infectious Diseases News Source Type: news