What to know

• The US is experiencing its worst measles resurgence in decades, with 178 measles cases reported in New York State as of October 24 and three measles-related deaths in the country this year.S1
• The New York State Department of Health said on Monday that a child in Lewis County had died in connection with an ongoing measles outbreak, marking the state's first known measlesassociated death in more than 30 years.S2