The Latest Breaking News from CDC

Missteps and delays have hampered the U.S. effort to vaccinate people against monkeypox. Now state health officials and community members are trying to adapt to a controversial "dose sparing" plan.

Amoeba can cause infection that is 97 per cent fatal

Vaccines helped neutralize the global threat of polio, a dreaded scourge that can cause paralysis and death, but that life-saving drug may have led unintentionally to the virus’ reappearance this year in the U.S. and other countries.

Folks of a certain vintage have the tell-tale crater on their upper arms: The discolored, shallow scars from the smallpox vaccine.

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A monkeypox case reported in the San Francisco Bay Area adds to the growing evidence that people can contract the virus in multiple ways — and raises questions about just how easy it is to get infected during casual encounters with others.

Dr. Walensky's proposed bureaucratic reshuffling is too timid.

The agency aims to make its public messaging clearer and its responses faster

New York resident infected in June may have caught virus through local transmission, study says