Measles outbreak expands in northwest US
The number of confirmed measles cases near Portland grew to 31 on Friday — an outbreak boosted by lower-than-normal vaccination rates in what has been called an anti-vaccination U.S. “hot spot.”
The number of confirmed measles cases near Portland grew to 31 on Friday — an outbreak boosted by lower-than-normal vaccination rates in what has been called an anti-vaccination U.S. “hot spot.”