Bill Gates: 'Almost all' coronavirus vaccines will work by February - CNET

Bill Gates: 'Almost all' coronavirus vaccines will work by February  CNETCoronavirus immunity could last beyond a year  Sky News AustraliaOxford-AstraZeneca Covid vaccine shows an average 70% effectiveness in preventing the virus  CNBCBill Gates confident almost all Covid-19 vaccines will work well  CNNCoronavirus live news: Oxford vaccine has 70% efficacy; global cases near 60m  The GuardianView Full Coverage on Google News