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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