Men more likely than women to develop COVID-19 pneumonia, research suggests Also, California health officials report another illness in a dairy farm worker, pushing the national total this year to 55. CIDRAP

A study of sex-based differences in the risk of COVID-19 pneumonia finds that men were more likely to develop the complication than women (12.0% vs 7.0%) during the declared pandemic period and the early months of the endemic phase of the disease in Mexico.

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Analysis of 25 studies shows reduced risk of long COVID after vaccination Two doses of COVID vaccine before infection was tied to a 24% reduced odds of having long COVID. CIDRAP

A new meta-analysis of studies involving more than 14 million people published in the Journal of Infection shows that COVID-19 vaccination is associated with a lower risk of developing long COVID, with two doses reducing the odds by 24% and one dose reducing the odds by 15%.

Study: No unexpected COVID vaccine safety concerns in kids Postvaccination reactions were reported for 47% of children. CIDRAP

A new research letter published yesterday in JAMA Network Open shows no new safety concerns or reactogenicity signals among babies and toddlers who received their first COVID-19 vaccines by the age of 2.

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