Women were found generally to have higher protection against the coronavirus than men after receiving a second shot of the Pfizer-BioNTech vaccine, according to a study released Wednesday — although immunity in both sexes tended to weaken within months after full vaccination.
The study, published in the New England Journal of Medicine, also suggests that people ages 18 to 45 had stronger immunity than those over 65 after receiving their second shot. More than 4,800 vaccinated health-care professionals in Israel participated in the study from December to July, while the country was conducting one of the world’s first nationwide vaccination rollouts.
While coronavirus vaccines remain effective at preventing hospitalizations, the study adds weight to voices calling for booster shots to be offered to wider populations.
Here’s what to know
- Vaccine maker Pfizer and its German partner, BioNTech, have asked the Food and Drug Administration to authorize their coronavirus vaccine for emergency use for children ages 5 to 11, the companies announced Thursday.
- Moderna said it will build a coronavirus vaccine manufacturing plant in Africa to produce 500 million doses a year for lower-income nations. However, it will not have an immediate impact because it will take two to four years to build.
- The Los Angeles City Council on Wednesday approved one of the nation’s strictest vaccine mandates, with a sweeping requirement for proof of vaccination for anyone entering indoor public spaces.
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