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The Centers for Disease Control and Prevention might soon limit its guidance for who should receive a coronavirus booster shot. Such a change would be evidence-based and, if implemented correctly, might even boost uptake among vulnerable populations. (Leana S. Wen, 4/22)

You have probably consulted “Dr. Google,” too, writes health-care entrepreneur Michael Botta, and ended up “more confused or anxious” than when you began, which might make his argument in favor of artificially intelligent medical advice a hard sell — or perhaps a very easy one when you try it for the first time and receive a diagnosis of, well, not cancer. (Drew Goins, 4/22)

I have been doing biomedical research for more than 30 years, since earning a Ph.D. in theoretical physics. I’ve published more than 340 papers that have garnered more than 100,000 citations. I was elected to the National Academy of Medicine because of my unique contributions. I don’t mean to sound boastful, but I know what I’m doing. (John Quackenbush, 4/23)

Republicans in Congress have made a lot of noise about eliminating “waste and fraud” in federal health-care spending. If they were serious about this goal, they would start by overhauling something they long have championed: Medicare Advantage. (4/22)

Dallas is at the center of an urgent public health crisis. The city has the highest rate of new HIV infections in Texas, according to AIDSVu, an interactive mapping tool. The numbers are on the rise. (Christopher Hamilton, 4/23)