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Business
The U.S. is running low on blood. Here's why that's dangerous
A four‑year summer low in U.S. blood donations has triggered a national crisis, prompting urgent calls for donors.
Nbc Bay Area
2 trends tracked about this subject — the full history, oldest to newest below.
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Health
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U.S. measles cases surpass last year's total: Tracker
Measles infections in the United States have reached a 35-year high, prompting urgent health advisories and calls for increased vaccination.