Amina Zafar has reported on SARS, H1N1 flu, Ebola and other medical and science topics for CBC News.
Latest from Amina Zafar
COVID-19 shots for school? What needs to happen to get kids in Canada immunized
Parents and children wanting to know when COVID-19 vaccines could roll out to Canada's youngest recently got a glimpse at the answers.
AstraZeneca-Oxford's COVID-19 vaccine safety questions answered
The recommendation to pause AstraZeneca-Oxford COVID-19 vaccinations among Canadians under age 55 has prompted questions. It follows concerns the vaccine might be linked to a rare blood clotting condition. Here are some answers on the ongoing investigations.
COVID-19 exposes need for more collaborative, community-based health care
When CBC News canvassed some doctors and scientists across Canada on what's fundamentally changed in health care during the pandemic, what stood out was the need for more collaborative care.
Asking 'Where do you think you got COVID?' helps contact tracers zero in on superspreader events
The painstaking detective work of contact tracing usually starts with an infected person and works forward, asking who has that person seen since they became contagious. But to spot COVID-19 superspreader events quickly, looking backward is key.
Benefits and risks of delaying 2nd doses of COVID-19 vaccine
Federal and provincial health officials are moving to extending the time between two-dose COVID-19 vaccines to four months.
Why are the variants more transmissible? Your COVID-19 questions answered
Canadian scientists answer why and how the coronavirus variants are thought to spread more easily and quickly between people.
Why it might be best to avoid painkillers as a precaution before your COVID-19 vaccine
Billions of people worldwide will receive vaccines to protect against COVID-19 and some will temporarily feel a sore arm, fever or muscle aches. But reaching for some common painkillers could blunt the effect of the vaccine, experts say.
Support for essential workers could bring COVID-19 under control faster in Canada, doctors say
Doctors are calling for more supports for essential workers facing "life-or-death" inequities, saying it will do more to control coronavirus outbreaks than high-profile punishments of those who break the rules.
Treatments for COVID-19: What works, doesn't work, and is still being tested
A year into the COVID-19 pandemic in Canada, doctors are learning how to help keep more patients alive, but the proven treatment options remain limited.
Canada's COVID-19 case numbers show early positive signs
Cases of COVID-19 are declining in many parts of Canada, but experts say those early positive signs are dependent on widespread restrictions that the public might find difficult to sustain — and suggest further tools and support is needed.