Is It Easier to Get COVID-19 Outdoors with BA.5?

When the pandemic first began, COVID-19 seemed to lurk around every corner, so it came as a big relief when scientists established that the virus doesn’t easily spread outdoors. This summer, however, that feeling of relative safety has come into question. Now that the BA.5 subvariant is driving a new wave in the U.S., can … Read more

U.K. Authorities Issue First-Ever ‘Red’ Extreme Heat Warning

British authorities issued their first ever “red” warning for extreme heat early next week, declaring a national emergency as forecasters predict record temperatures that will put even healthy people at risk of serious illness and death. The warning covers Monday and Tuesday, when temperatures in England may reach 40 C (104 F) for the first … Read more

Why We Don’t Have a Pi Variant Yet—Even After So Much Omicron

In May 2021, the World Health Organization (WHO) announced that key variants of SARS-CoV-2, the virus that causes COVID-19, would be assigned names from the Greek alphabet, in addition to their scientific designations, to give people around the world a simple, non-stigmatizing way to talk about them. (Previously and problematically, variants were often referred to … Read more