United States

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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Nearly 40% of people in the US live with unhealthy air pollution, report says | CNN More people across the United States – nearly 40% – live in places with unhealthy levels of polluted air, according to a new report from the American Lung Association. Jacqueline Howard CNN

...Extreme heat, drought and wildfires are among the factors that have contributed to a rise in deadly air pollution, especially in the Western part of the country, said Katherine Pruitt, author of the report and senior director of the American Lung Association’s Nationwide Clean Air Policy. 

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NASA chief asks nations to work together on climate change NASA is hoping that nations will work together more closely in the future on topics such as climate change, including greenhouse gas emissions, the space agency's head, Bill Nelson, said on Tuesday. Stefanie Eschenbacher Reuters

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