HHS touts universal flu, coronavirus vaccine initiative while casting doubt on future of seasonal Covid-19 shots | CNN The US Department of Health and Human Services said Thursday that it aims to accomplish within four years a scientific feat that hasn’t been achieved for the past 45: the development of a universal flu vaccine that could protect against multiple virus strains with pandemic potential, including H5N1 avian influenza. Meg Tirrell, Brenda Goodman CNN

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What causes breakthrough measles infections? A small number of people who are fully vaccinated may get sick during a large outbreak, doctors say. NBC News

...Infectious diseases doctors are at pains to emphasize that the MMR vaccine is one of the most effective vaccines on the market, but as Rodney Rohde, a professor at Texas State University explains, a small number of people who are fully vaccinated may get sick during a large outbreak.

CDC considers narrowing its Covid-19 vaccine recommendations | CNN The US Centers and Disease Control and Prevention is considering recommending annual Covid-19 shots to those who are older or who have compromised immune function, rather than the current blanket recommendation for everyone 6 months of age and older. Brenda Goodman CNN

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