Is your N95-style mask failing you? Lab tests show some falling way short of filtration standards

To find out how much Canadians can trust the N95-style masks they're buying, CBC’s Marketplace tested 14 KN95 and KF94 respirator brands purchased from Amazon and big box stores.

Travelling to the U.S.? The rules are still in flux

Canadians are still waiting for the United States to reopen its side of the land border. Here are the current rules for crossing into the U.S. and what might soon change.

Travelling while fully vaccinated: Your questions answered about the new rules

Fully vaccinated Canadians are no longer subject to quarantine when they arrive from international travel. But the new policy has left many people with questions.

You've had your 2nd COVID-19 vaccine dose. What's safe to do now?

As more Canadians receive their second dose of a COVID-19 vaccine, many are eager to know: what can I do now?
CBC Explains

Worried about heart inflammation and COVID-19 vaccines? Here's what we know

Some researchers believe adolescent males and young men can, in rare cases, develop myocarditis, an inflammation of the heart muscle, after their second shot of an mRNA vaccine.

When can kids under 12 get vaccinated? Your COVID-19 questions answered

As kids and teenagers become eligible for COVID-19 vaccines, many families have questions. Why are teens getting first doses before seniors get their second? Will kids need a smaller dose? Doctors answer your questions.

Does the AstraZeneca vaccine cause more common side-effects than others? Your coronavirus questions answered

Also: Can I mix vaccine brands yet? And does taking Aspirin reduce the risk of getting a blood clot? More answers to your pandemic questions.

Vaccine envy: Why can't Canada make COVID-19 doses at home?

Canada's domestic vaccine manufacturing capability has been hollowed out, leaving the country entirely dependent on foreign sources for COVID-19 vaccines. What happened?

'What if I've already had one dose?' Your AstraZeneca vaccine questions answered

Canadians have been on a roller-coaster with changing guidance on the AstraZeneca-Oxford vaccine, but an infectious disease specialist says there’s reason to be optimistic.

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.

Is it OK to mix and match different vaccines? Your COVID-19 questions answered

Health officials don't recommend having different types of COVID-19 vaccines for your two shots, but doctors say a unique clinical trial in the United Kingdom could inform a more flexible rollout in Canada.

Is AstraZeneca vaccine safe for people who've had blood clots? Your COVID-19 questions answered

AstraZeneca has been in the headlines recently over concerns that some people were developing blood clots after receiving the vaccine. Here are some answers to questions you may have.

Can vaccinated grandparents finally see their grandkids? Your coronavirus questions answered

Can fully-vaccinated seniors safely get together? What about gathering with unvaccinated grandchildren? Your questions, answered.

COVID-19 infection vs. vaccination: Which is better for immunity?

Both a COVID-19 infection and a vaccination are expected to train your immune system to protect you from getting sick with it in the future. But how are they different? Medical experts think vaccination is safer and better protection than a natural infection.

What are the coronavirus variants and how should we respond to them? Your COVID-19 questions answered

CBC readers want to know about the coronavirus variants causing concern around the globe. Here's what the experts have to say.

Should I wear a mask outdoors? Your COVID-19 questions answered

The official advice on wearing masks and other suggestions for renewed vigilance.

Why is there no flu amid so many COVID cases? Your COVID-19 questions answered

Why are flu numbers so low even in places where COVID-19 is going strong? Plus, why aren't vaccine providers wearing gloves?

Moderna, Pfizer-BioNTech vaccines have been approved in Canada. Here's what you need to know about them

Moderna's vaccine is the second to be approved in Canada. You might have some questions. How effective are vaccines? What are the side effects? What about allergic reactions? And when can you expect to get your shot? Here are the answers.

Can mRNA vaccines alter your DNA? More of your COVID-19 vaccine questions answered

As the first shots of coronavirus vaccines are delivered in Canada, CBC News talks to the experts to answer your questions about this kind of vaccine and the clinical trials that got them to this point, including: Is the Pfizer-BioNTech vaccine safe for children and pregnant women?

Once someone is vaccinated, do they still have to wear a mask? Your COVID-19 vaccine questions answered

Now that a COVID-19 vaccine has been approved in Canada and the first shots have been given, lots of you have questions about vaccines. We talked to the experts to get you some answers.

How risky is it to go shopping now? Your coronavirus questions answered

As a second wave of COVID-19 hits many provinces, is it safe to go shopping? Can seniors go for a walk in the mall? Is there a safe way to get together? Your questions, answered.

Does this mean Christmas is cancelled? Your COVID-19 questions answered

As COVID-19 cases rise in many provinces, how can you and your family celebrate Christmas safely this year? How do you talk to your family about your holiday plans? Is it safe to give and receive presents, cards or cookies? Your questions, answered.

Polypropylene is now recommended in masks. Should I be concerned? Your mask questions answered

How close can you get to others when you're both wearing masks? Is it your right not to wear one? Can you wear a mask under your nose? Are frozen masks less effective? And now that polypropylene is recommended in masks, should I be worried about breathing it in? Here are the answers to your latest questions on masks and COVID-19.

Is more testing behind the record numbers of COVID-19 cases in Canada? Your testing questions answered

Are the record case counts in many provinces caused by increased testing? How long are test samples good for? Why can’t you provide a stool sample instead of getting a nose swab? Are pharmacy tests accurate? Here are the answers to some of your COVID-19 testing questions.

Thanksgiving and other gatherings: Your COVID-19 questions answered

As COVID-19 cases rise in many provinces, how can you and your family celebrate Thanksgiving safely this year? Are small dinner parties OK? Can you still have get-togethers outdoors? What if you wear masks and physically distance? Is it still OK to eat at restaurants?