Extreme weather. A lack of lifesaving vaccines. Africa's cholera crisis is worse than ever (medicalxpress.com)

Extreme weather events have hit parts of Africa relentlessly in the last three years, with tropical storms, floods and drought causing crises of hunger and displacement. They leave another deadly threat behind them: some of the continent's worst outbreaks of cholera.

In southern and East Africa, more than 6,000 people have died and nearly 350,000 cases have been reported since a series of cholera outbreaks began in late 2021.....

All have experienced floods or drought—in some cases, both—and health authorities, scientists and aid agencies say the unprecedented surge of the water-borne bacterial infection in Africa is the newest example of how extreme weather is playing a role in driving disease outbreaks.

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Hospital COVID patients 35% more likely to die than flu patients last winter, study suggests During the 2023-24 respiratory virus season, hospitalized US COVID-19 patients were at a 35% higher risk for death from any cause than those admitted for influenza, compared with a 61% higher risk the winter before, estimates a research letter published today in JAMA. CIDRAP

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Teen vaccination cut COVID-19 cases by 37% in California, new data show Researchers also estimated that 230,134 cases were averted in kids aged 5 to 11 years, a 24% reduction. CIDRAP

JAMA Network Open has published a new study showing that, from April 1, 2020, to February 27, 2023, in California, an estimated 146,210 COVID-19 cases were averted by vaccination in teens aged 12 to 15 years, representing a 37% reduction.

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