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COVID-19: Herd immunity explained

01:43 | May 8, 2021
COVID-19: Canada’s 6th wave has plateaued or is post-peak in some areas, Tam says

01:10 | May 6, 2022
2 new Omicron sub-variants discovered as COVID-19 cases continue to decline globally: WHO

02:29 | May 4, 2022
COVID-19: Canada’s top doctor recommends still wearing masks as BA.2 variant fuels 6th wave

02:04 | April 12, 2022
Trucker convoy: Protesters adorn Terry Fox statue with pro-trucker slogans, Canadian flag

02:18 | January 29, 2022
Trucker convoy: Blaring horns, cheers as hundreds descend on Parliament

03:06 | January 29, 2022
Trucker convoy: Horns blare outside Parliament as trucker protest assembles

01:06 | January 29, 2022
Trucker convoy: Fireworks, cheers see off convoy headed to Ottawa from New Brunswick

02:38 | January 29, 2022
Trucker convoy arrives in Ottawa to protest COVID-19 vaccine mandates

03:19 | January 29, 2022
COVID-19: No new restrictions in Alberta, Saskatchewan to slow Omicron spread

02:07 | December 31, 2021
Unprecedented COVID-19 case numbers could change protocols

02:22 | December 30, 2021
U.S. COVID-19 Omicron variant spread dampens new year cheer

02:02 | December 29, 2021
Quebec to allow some COVID-19 infected health workers to stay on job

02:04 | December 28, 2021
U.K. nations except England tighten COVID-19 rules

01:45 | December 28, 2021
COVID-19: CDC reduces quarantine guidelines as Omicron cases surge

01:52 | December 28, 2021
Bringing your Omicron questions to a physician

06:56 | December 5, 2021
Arrival tests may come for U.S. travel if Omicron presence increases: Alghabra

12:17 | December 5, 2021
Canadians should not get hung up on primary COVID-19 vaccines vs. booster shots, NACI says

05:09 | December 3, 2021
Immunization against COVID-19 should remain top priority: NACI

00:53 | December 3, 2021
NACI recommends longer interval between COVID-19 vaccine doses, Pfizer preferred over Moderna for Canadians aged 12-29

01:14 | December 3, 2021
NACI ‘strongly’ recommends COVID-19 vaccine booster for Canadians aged 50+, ‘may’ be offered to those aged 18-49

02:03 | December 3, 2021
Trudeau defends role in removing vaccine barriers as Omicron variant threatens fight against COVID-19

01:17 | December 1, 2021
COVID-19: South Africa calls for calm over international response to Omicron variant

02:20 | November 28, 2021
Unvaccinated soldiers put others at risk: Gen. Eyre

12:12 | November 28, 2021
Europe once again the epicentre of the COVID-19 pandemic

02:00 | November 14, 2021
47 million Americans have been infected with COVID-19

01:58 | November 13, 2021
Yukon becomes new COVID-19 hotspot in Canada

02:22 | November 13, 2021
COVID-19: Canada may be in for a ‘bumpy ride’ through winter, Tam says

04:00 | November 5, 2021
G20 summit: Freeland says Canada to donate 200M doses of COVID-19 vaccines by end of 2022

01:50 | October 30, 2021
Trudeau says Canada doing its part to help poorer nations access COVID-19 vaccines

01:17 | October 29, 2021
Disobeying clear vaccine policies seen as noncompliance in EI claims: Qualtrough

07:24 | October 24, 2021
People with allergic reaction to 1st COVID vaccine can ‘safely receive future doses’: NACI

02:57 | October 22, 2021

COVID-19: Herd immunity explained

May 8, 2021

Here’s how herd immunity works, and why it might be hard to achieve with COVID-19.

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