It turned out that the mosquitoes harbored a bacteria that secreted a chemical that inhibits development of the parasites. That meant the team had to shut the colony down for the purposes of research into new malaria drugs — but it also led them to a new potential way to combat malaria.
A new Covid-19 variant has become the dominant lineage of the virus in recent weeks in the US and while it should not be a cause of undue concern for the public, its emergence is a reminder of the need for greater surveillance of the virus and of the importance of vaccine boosters, according to infectious disease experts.
Scientific American spoke with Vanessa Kerry, the World Health Organization’s special envoy for climate change and health and CEO of Seed Global Health, about the ways that wildfires kill and the need to take action to prevent and prepare for them.
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