Pennsylvania health officials reported a sixth measles-associated death on November 4, as the state faced a large outbreak. Reuters reported 1,467 confirmed cases and 283 hospitalizations as of that date.
CDC’s latest published national count stood at 4,852 confirmed US cases as of October 29. That figure has an earlier cutoff than Pennsylvania’s update and should not be read as a same-day national total. CDC says two doses of a measles-containing vaccine are about 97 percent effective at preventing measles.
Sources: Reuters; CDC case data; CDC vaccine guidance.
Illustrative CDC laboratory image pending upload; do not conflate state and federal death definitions.


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