Lab study: Sterilized reused respirators not effective enough against aerosolized particles Over 78% were dirty, rendering them unsuitable for sterilization, the authors say. CIDRAP

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Millions sweltering under extreme heat worldwide as summer arrives Deadly heatwaves are scorching cities on four continents as the Northern Hemisphere marks the first day of summer, a sign that climate change may again help to fuel record-breaking heat that could surpass last summer as the warmest in 2,000 years. Gloria Dickie Reuters

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Poll: More Americans say climate change affects their mental health - UPI.com As summers get hotter and hurricane seasons less predictable, more Americans now say that climate change affects their mental health, a new poll finds. UPI

... In a survey conducted among more than 2,200 adults at the end of May, 53% of respondents said they believe that the effects of global warming impacts Americans' mental health.

Climate change made killer heat wave in Mexico, Southwest US even warmer and 35 times more likely A new study finds that human-caused climate change dialed up the heat and drastically increased the odds of this month’s killer heat that has been baking the Southwestern United States, Mexico and Central America. AP News

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Air Pollution 'Kills A Child Every Minute' - Health Policy Watch The fifth State of Global Air report shows air pollution is now the second-leading risk factor for death globally, after high blood pressure. Most of the Health Policy Watch

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What’s Really Going on With Bird Flu Wastewater Data

Wastewater, which can measure how much virus humans excrete, has become a valuable disease-tracking tool.

But using that tool to track our current viral threat, the H5N1 bird flu that has begun circulating in cows, is much trickier. Finding even high levels of bird flu in wastewater does not necessarily mean an area is experiencing an outbreak. Rather, it sets off a hunt for the source.

States Are Scrambling to Prepare As a Prolonged Heat Wave Spreads in the Midwest and Northeast - Inside Climate News More than 70 million people are currently under heat alerts as a heat wave spreads across the Midwest and Northeastern U.S.  From Indiana all the way to Maine, states could be trapped under a heat dome for a week or longer, with high humidity and temperatures set to reach the upper 90s in many areas. […] Kiley Price Inside Climate News

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Bird flu pandemic risk high as cow cases appear and officials warn of humans’ role USDA report finds transmission likely happening when workers, cows, vehicles and equipment go to multiple farms The Guardian

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Michigan will pay dairy farmers to help government investigate bird flu outbreak Michigan will offer financial assistance to dairy farmers who aid in the government’s research into bird flu outbreaks, the state announced Tuesday. Michigan’s Department of Agriculture and Rural D… lsforza The Hill

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Study identifies female sex, heart disease as long-COVID risk factors, vaccination as protective Women and adults with preexisting conditions such as cardiovascular disease are less likely to recover from COVID-19 within 3 months, while vaccination and Omicron-variant infection were linked to a quicker recovery, reveals a study posted yesterday in JAMA Network Open. It also showed that more than one in five adults had protracted recoveries. CIDRAP

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