“I was literally nauseated by Kennedy’s remarks” about Gavi, the Vaccine Alliance, writes former CDC Director Tom Frieden.

A tetanus vaccine can provide vital protection from this serious infection. Here, learn how long a tetanus shot lasts and when to get another one.

When RFK Jr. announced he would cut funds from Gavi, the Vaccine Alliance, he cited "vaccine safety," referring to a 2017 study from Guinea-Bissau. We asked vaccine researchers to assess the study.