For the first time ever, vaccines for Covid, the flu and respiratory syncytial virus are available in the U.S.
Public health officials are urging eligible Americans to take all three shots so the nation can avoid another “tripledemic” of Covid, flu and RSV, which inundated hospitals last fall and winter. But the fact that some people can now receive three shots has raised questions about whether they should take the jabs all at once or space them out.