Two doses of Pfizer’s Covid-19 vaccine seem to provide just 33% protection against infection with the omicron coronavirus variant, however it does largely prevent severe disease
This protection is maintained across all age groups and for people with conditions including diabetes and high blood pressure, the data suggests, though there are slightly lower levels of protection for the elderly. from the U.K., which also indicates two Pfizer shots offer less than 40% protection against infection with omicron.
to data suggesting omicron causes less severe disease, finding adults diagnosed with Covid-19 during South Africa’s fourth and current coronavirus wave were 29% less likely to be admitted to hospital than during the first wave in early 2020. Despite the race to understand the new variant, there is little hard data on omicron.
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