As a measles outbreak in Texas has grown to nearly 150 cases, US Health and Human Services Sec. Robert F. Kennedy Jr. said in ...
Adults born before 1957 are assumed to have natural immunity because they were likely exposed to measles before the vaccine ...
Vaccination provides long-lasting 97% protection against measles infection. Most people who have been vaccinated do not need ...
In the last year, several cases of measles have been identified in the Philadelphia region; last winter, a measles outbreak ...
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