Robert F. Kennedy Jr. has described the outbreak in West Texas last week as a “top priority.” But he has not explicitly encouraged Americans to get vaccinated.

A recent outbreak of measles is prompting questions about the life-threatening disease and how to prevent it. Here's what to know.

A Texas health official is warning against “measles parties” as an outbreak grows in West Texas, resulting in the death of at least one unvaccinated school-aged child. In a press briefing Friday, Dr.