Major Study: COVID-19 Vaccines Less Effective Against Delta, as Good as ‘Natural Infection’

The effectiveness of widely used COVID-19 vaccines against the Delta strain becomes weaker within three months of inoculation, said a study from Oxford University, which also said that two doses of the vaccine provided as much protection as “having had COVID-19 before through natural infection.” Source: Major Study: COVID-19 Vaccines Less Effective …

Read more