The warning against measles parties comes days after an unvaccinated child died of measles in Lubbock County about month after an outbreak began in West Texas.

When the local hospital warned of a brewing measles outbreak, Kaleigh Brantner urged fellow residents of this rural West Texas community to beware of vaccinating their children. Two weeks later, her unvaccinated 7-year-old son came home from school with a fever.

But in his new opinion piece about the ongoing measles outbreak, published March 2 in Fox News, Kennedy wrote that vaccines “not only protect individual children from measles, but also contribute to community immunity,