Outbreak Watch follows infectious disease events as they unfold, from emerging outbreaks and changing case counts to unusual signals, surveillance shifts, and developments in public health response.

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Each update looks beyond the numbers to put new developments in context: what has changed, what the evidence actually shows, what remains uncertain, and which signals are worth watching. Along the way, we follow outbreaks across borders, examine the science behind the response, and revisit stories as new information changes the picture.

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Because not every alarming headline signals a crisis—and some important developments barely make the headlines at all.