Science

Should COVID Vaccines Be Given Yearly?

Scientists are divided over the US Food and Drug Administration’s (FDA) proposal to renew the COVID-19 vaccine once a year, similar to the agency’s approach to renewing the flu vaccine. At the FDA’s Vaccine Advisory Committee meeting on Jan. 26,…

Scientists Grew Mini Human Guts Inside Mice

your gut The obvious job: it processes the food you eat. But it has another important function. It protects you from any bacteria, viruses, or allergens you ingest with that food. It’s a thing,” says Michael Helmrath, a pediatric surgeon…