Heat wave kills 19 in Canada (Update)

A heatwave in Quebec has killed at least 19 people in the past week as high summer temperatures scorched eastern Canada, health officials said Wednesday.

WannaCry cyberattack on UK health service 'preventable'

An independent investigation has concluded that the debilitating cyberattack that crippled parts of Britain's National Health Service earlier this year could have been prevented with basic security measures.

Scientists take the temperature of dengue fever risk

When disease-bearing mosquitoes expand into new habitats, public health officials should test the ability of new arrivals to transmit viruses at a variety of temperatures, a new Yale-led study suggests.

Algae on river flowing into Lake Erie prompts warning

Health officials in Ohio are telling children, pregnant women and people with certain medical conditions not to swim in the river that flows through Toledo because of an algae outbreak.

Danger not over: Gas leaks, mold loom for Harvey evacuees

Bound for their Harvey-soaked home east of Houston, Lakeithia Bankhead and her four children left the mass shelter at the city's convention center Friday after five nights sleeping on cots among thousands of other evacuees. ...

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