Tag Archives: Canadian

Coronavirus masks containing graphene should not be sold, Canadian health authorities say

Canadian health officials have issued a warning about face masks that contain graphene or biographene, urging a recall by distributors, according to reports. Health Canada said graphene is a novel nanomaterial that is reported to have antiviral and antibacterial properties. However, the advisory issued Friday warns that there is “potential that wearers could inhale graphene particles… Read More »

COVID-19 can be spread by building ventilation, say Canadian researchers working on an HVAC fix

The outbreak of COVID-19 at a restaurant in the southern Chinese city of Guangzhou was a puzzle. The suspected index patient was a visitor from the coronavirus’s epicentre in Wuhan. But the eight other customers who later tested positive were not sitting close enough for droplet transmission, and most of the patrons and staff avoided… Read More »

Putting entire Canadian city under quarantine to contain virus inconceivable, unenforceable: expert

Placing an entire city under quarantine to prevent the spread of a virus is inconceivable, unenforceable and ineffective — and in Canada would be against the law, experts say. Steven Hoffman, a professor of global health, law and political science at York University, said he was shocked when he heard China had shut down Wuhan,… Read More »

Discovery by Canadian researchers of how bacteria become resistant to antibiotics could lead to more effective drugs

Ontario researchers say they have discovered how bacteria become resistant to antibiotics, a finding they say could help combat the growing problem. Maikel Rheinstadter, a physics professor with McMaster University in Hamilton, and Andree Khondker, an undergraduate biochemistry student, said they found bacteria fight off antibiotics by stiffening their cell membranes and changing the barrier’s… Read More »