Only 45% of Americans age 50 and older say they're likely to get the updated COVID-19 vaccine this season, according to a poll today from the University of Michigan. 

The poll shows many at high risk of severe illness appear unlikely to seek the vaccine, and interest in an updated vaccine varies widely by age-group, education level, and other factors.

The results come from the National Poll on Healthy Aging conducted in August. At the time of polling, new COVID vaccines were not yet widely available, but they had been approved for use and endorsed by the Centers for Disease Control and Prevention. 

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Whooping cough cases are soaring. Can infecting people help test a better vaccine? | CNN Whooping cough is surging in the United States, with cases now five times higher than they were at the same point last year, according to preliminary data from the US Centers for Disease Control and Prevention that was reported Friday. Brenda Goodman, Deidre McPhillips CNN

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US COVID markers show more declines Wastewater levels are still high, but like other markers are showing a downward trend. CIDRAP

US COVID activity continued to decline in many areas, the Centers for Disease Control and Prevention (CDC) said today in its latest updates. ...

Common diabetes drug linked to lower rate of long COVID Metformin is the most common type 2 diabetes drug prescribed to millions of American each year, and a new study from researchers at the National Institutes of Health (NIH) published in Diabetes Care suggests the drug can lower the risk of developing long COVID, or post-acute sequelae of SARS-CoV-2 infection (PASC), in diabetics. CIDRAP

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Metformin lowers blood sugar and is most commonly prescribed as a first-line treatment for type 2 diabetes. The drug also is prescribed off-label for weight loss and other metabolic conditions.

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Mpox is not under control in Africa, warns Africa CDC

Gavi to buy 500,000 mpox vaccine doses from Bavarian Nordic

The US is entering a riskier season for spread of H5N1 bird flu. Here’s why experts are worried | CNN With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu virus could rise — and they’re taking steps to prevent the creation of a hybrid flu virus that could more easily infect humans. Brenda Goodman CNN

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US ranks last on key health care measures compared with other high-income nations, despite spending the most, report says | CNN The US spends more on health care than any other high-income country, but a new report suggests that “Americans are sicker, die younger and struggle to afford essential health care.” Jacqueline Howard CNN

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Global health fund says health, climate, conflict 'triple whammy' hits world's poorest