As summer edges toward fall, thoughts turn to, well, vaccines. Yes, inevitably, it’s time to think about the usual suspects — influenza and COVID-19 shots — but also the new kid in town: recently approved vaccines for RSV, short for respiratory syncytial virus. But who should get the various vaccines, and when? “For the eligible populations, all three shots are highly recommended,” said Georges Benjamin, a physician and the executive director of the American Public Health Association.