The CDC is expanding its definition of 'close contact' when it comes to COVID-19. Here's why

U.S. health officials Wednesday redefined what counts as close contact with someone who has COVID-19 to include briefer but repeated encounters. The change was triggered by a study of a correctional officer who was diagnosed with coronavirus after having multiple brief encounters with prisoners who later tested positive.A medical worker administers a test at United…

How dissecting superspreading events can help people take COVID-19 measures seriously

Those who have been studying how the public has responded to messages from authorities during the pandemic say public health officials should be telling compelling stories instead of using the "pretty please" approach.Unlike health officials in other countries, the Public Health Agency of Canada says it does not have a definition of superspreading events. Neither do several…

OxyContin maker Purdue reaches plea deal in opioid probe

Purdue Pharma, the company that makes OxyContin, the powerful prescription painkiller that experts say helped touch off an opioid epidemic, will plead guilty to three federal criminal charges as part of a settlement of more than $8 billion US, Justice Department officials in the U.S. announced Wednesday.Wednesday's settlement in the U.S. is the highest-profile display…

Psychologists worry about mental health in first full COVID-19 winter

Psychologists have worried about the mental health toll of rising COVID-19 cases and tightened restrictions for months — add in the shorter days and colder weather of the approaching season, and we could be in for what one expert called a "long, dark winter."Amid the COVID-19 pandemic, psychologists are worried about the mental health toll…

3 days without water dehumanizing for residents of Neskantaga First Nation, chief says

Residents of Neskantaga First Nation are starting their third day of no running water after the community's water plant was shut down on Monday, and the chief says he cannot see an end to more than 25 years of water problems in the remote community, about 450 kilometres north of Thunder Bay, Ont.Neskantaga Chief Chris…