Pennsylvania has counted nearly 400 measles cases this year, state officials said.
Washoe County partners with local health organizations to provide free vaccine clinics for students.
A final back-to-school vaccine clinic offers families one more chance to update student shots before class.
Families can find free vaccine events this week as local groups prepare children for the school year ahead.
Parents are urged to register incoming kindergarten students as the district sets a strict age cutoff rule this year.
The county adds that no public exposures were reported for these cases, who had been asked to quarantine.
According to a letter sent to families of Galena High School students last week, people at the school may have been exposed to whooping cough.
The U.S. took the unprecedented step Monday of dropping the number of vaccines it recommends for every child.
The first measles case since 2018 has been reported in Washoe County. Northern Nevada Public Health says a man tested positive on Friday.
The Southern Nevada Health District has confirmed a measles case in a traveler at Harry Reid International Airport.