Single dose of Covid-19 vaccines highly effective at preventing hospitalisation in older patients

A single dose of the Pfizer and Oxford-AstraZeneca vaccine in patients over 80 years is more than 80% effective at preventing hospitalisation a few weeks after vaccination, according to data by Public Health England.  In a pre-print of a real-world study, the data also shows symptomatic infections in over 70s decreasing from around three weeks after one dose of both vaccines. There is also evidence for the Pfizer vaccine that suggests it leads to an 83% reduction in deaths from Covid-19. Scottish study shows Covid-19 vaccines have reduced the risk of hospitalisation by over 80% Mixed Covid-19 vaccination regimen study launched The