Vaccination

States ramp up for biggest vaccination effort in US history

With a COVID-19 vaccine drawing closer, public health officials across the country are gearing up for the biggest vaccination effort in U.S. history—a monumental undertaking that must distribute hundreds of millions of ...

Diseases, Conditions, Syndromes

Canada extends international travellers ban

Canada on Friday extended a restriction on non-essential international entries until the end of November as COVID-19 cases rise, while easing quarantine rules for some cut-off Canada-US border communities.

Diseases, Conditions, Syndromes

U.S. officials change virus risk groups, add pregnant women

The nation's top public health agency on Thursday revamped its list of which Americans are at higher risk for severe COVID-19 illness, adding pregnant women and removing age alone as a factor.

Diseases, Conditions, Syndromes

Novel Leptospira strain that can infect humans

Malaysian researchers have identified the two species of the Leptospira genus of bacteria responsible for most cases of leptospirosis in the country and discovered a new strain capable of infecting humans.

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