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The Biden administration may scrap plans to let more younger adults get second COVID-19 boosters this summer. Instead, officials are trying to speed up availability of the next generation of boosters in the fall, NPR has learned. The new strategy is aimed at trying to balance protecting people this summer with keeping people safe next winter, when the country will probably get hit by yet another surge. (Stein, 7/26)

The BA.5 subvariant of Omicron was estimated to make up 81.9% of the circulating coronavirus variants in the United States for the week ended July 23, the U.S. Centers for Disease Control and Prevention (CDC) said on Tuesday. This was higher than the 75.9% prevalence estimated in the preceding week. (7/26)

Facebook parent company Meta Platforms Inc. has asked its Oversight Board to review the company’s Covid-19 misinformation policies to see if they should remain in place. Nick Clegg, Meta’s president of global affairs, wrote Tuesday that Meta’s policies were created during “extraordinary circumstances” and that the rules meant Meta removed Covid-related misinformation “on an unprecedented scale.” (Wagner, 7/26)

“In a city covering more than 3,000 square miles, the area with the highest probability of containing the home of someone who had one of the earliest COVID-19 cases in the world was an area of a few city blocks, with the Huanan market smack dab inside it,” Michael Worobey, a University of Arizona virologist who co-authored one of the new studies, said in a statement. (Purtill, 7/26)

Recent declines in cases and coronavirus-positive hospitalizations could pull Los Angeles County back from the brink of a new universal public indoor mask mandate. Although a decision on whether to impose the long-looming order won’t come until later this week, health officials noted Tuesday that improvements in some COVID-19 metrics might merit a delay. (Money and Lin II, 7/26)