Health officials are now warning that Missouri is below the 95% vaccination rate needed for herd immunity against measles.

South Africa is losing herd immunity as childhood vaccination rates plunge, with the Health Department warning that measles ...

Two unvaccinated Lancaster County residents died from measles, marking Pennsylvania's first measles deaths in 35 years amid ...

In the late 19th century, Charles Darwin’s principle was twisted into a justification for allowing the poor and infirm to die off.

Federal data revealed on Monday that school vaccination rates have declined as exemptions reached record highs, primarily due ...

New data from the Centers for Disease Control and Prevention shows more kindergartners across the country are getting ...

Health officials in Missouri are urging residents to get vaccinated for measles.

Australia’s hard fought herd immunity to measles is under threat, with a study finding that its population level immunity is ...

Pittsburgh has reported its first measles case of the year after an infected individual visited a local children's hospital.

During the 2024-2025 school year, eight counties reported non-medical vaccine exemptions above 5% in their public schools, ...

Nearly 880 Pennsylvania kindergartens are reporting measles immunization rates of lower than 95%, the level generally ...

The blue has been ominously spreading west on the map, like an enemy army advancing. The map is the one that the Pennsylvania ...