BuzzFeedNews: “…While there’s much we don’t know, it’s clear that vaccine protection wanes over time, and that a booster — as the name implies — can help. However, booster protection doesn’t last forever, dwindling a bit each month. “We need to think of these as vaccines offering shorter-term protection than what a measles vaccine would do, for example, especially with more variants around,” Landon told BuzzFeed News. The dominant version of the coronavirus in the US is a subvariant of Omicron called Omicron BA.2, which appears to be more contagious but not more severe, than other types of the virus. It was responsible for about 55% of all infections as of March 26. Meanwhile, infections in some regions, including parts of the Northeast, are rising as mask mandates and indoor vaccine requirements come to an end in many cities and states. “All of us are probably going to need to update our protection at some point,” Landon said. “If protection is wearing off in older people, it’s going to wear off in younger people eventually.”…