Boosters

Global COVID vaccine acceptance rose 5% from 2021 to 2022 CIDRAP

COVID-19 vaccine acceptance climbed from 75% in 2021 to 79% in 2022 in 23 countries representing nearly 60% of the global population, finds a survey published yesterday in Nature Medicine.

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In eight countries, however, vaccine hesitancy increased (range, 1.0% in the United Kingdom to 21.1% in South Africa). And nearly 1 in 8 of all respondents (12.1%), particularly those aged 18 to 29 years, said they were hesitant to receive a booster dose (range, 1.1% in China to 28.9% in Russia).

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COVID booster prompts good immune response, except after recent infection CIDRAP

A study today in Clinical Infectious Diseases finds that a third COVID-19 vaccine dose triggered a robust immune response, regardless of whether recipients had been infected more than 3 months earlier, but it didn't significantly increase antibody levels in those infected less than 3 months before.

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