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Pfizer Covid Vaccine Protects Against Omicron Sublineages BA.4 and BA.5: Study


Pfizer Inc. and BioNTech’s Covid-19 vaccine appears to largely prevent severe disease from the coronavirus omicron variants sublineages BA.4 and BA.5, a study by South Africa’s biggest health insurer shows. The two-shot Pfizer course offers 87% protection against being hospitalized with the strains that are driving the country’s fifth wave of infections, Discovery Health Ltd., basing its study on the the more than 1 million clients it has in Gauteng province. That level of protection was based on infection in patients one to two months after receiving their second dose. The study showed that protection waned to 84% three to four months after the second dose and 63% at five to six months post inoculation, Ryan Noach, the company’s chief executive officer, said in a LinkedIn post dated June 6.

Bloomberg - June 8, 2022

View the full story here: https://www.bloomberg.com/news/articles/2022-06-08/pfizer-protects-against-omicron-sublineages-discovery-says