Ontario won’t reach COVID-19 herd immunity until vaccines given to children under 12, report finds

A report by Public Health Ontario says that at least 90 per cent vaccine coverage against COVID-19 for the entire population is needed to achieve herd immunity and that vaccines … Read More

Herd immunity: How it works and why it’s a lofty goal for COVID-19

Herd immunity might not be a realistic goal for Canada’s vaccination effort against COVID-19, but it also isn’t required to get back to a more normal life, experts say. This … Read More

Europe will reach herd immunity this summer, BioNTech CEO says

Europe can achieve herd immunity against the coronavirus within the next four months, the head of German pharmaceutical company BioNTech, which developed the first widely approved COVID-19 vaccine with U.S. … Read More

Should you get the vaccine if you’ve already had COVID-19?

More than one million Canadians have tested positive for COVID-19 so far. Should they also be signing up to get the vaccine when they’re eligible or does their prior infection … Read More

COVID-19 survivors may only need one vaccine dose, study says

A single dose of a COVID-19 mRNA vaccine could provide the same level of protection or higher in a person who has recovered from the virus than someone with no … Read More

New variants mean more vaccination needed for herd immunity: Health Canada

With new coronavirus variants gaining a foothold in Canada, the percentage of vaccinated Canadians required to achieve herd immunity is increasing, Health Canada’s chief medical adviser said on Monday. Read … Read More

As COVID-19 variants spread, why are global coronavirus cases declining?

In an encouraging sign for the COVID-19 pandemic, the number of new coronavirus cases around the world and in Canada is continuing to fall this year. For the fifth consecutive … Read More

Coronavirus: Questions swirl around what’s needed to achieve herd immunity

Canadians have been told that herd immunity must be achieved before some semblance of normalcy can return to their lives, but what is not yet known is what is needed … Read More

COMMENTARY: Should the COVID-19 vaccine be mandatory?

The process of vaccinating Canadians against COVID-19 has begun. With the rise in vaccine hesitancy, and many refusing even to wear masks, people are wondering whether COVID-19 vaccination could be … Read More

How long will the COVID-19 vaccine protect you? Here’s what we know so far

With COVID-19 vaccinations officially underway in Canada and other parts around the world, there appears to be a light at the end of the tunnel, even as coronavirus cases and … Read More

How long does coronavirus immunity last? Some studies suggest months

New research is now emerging that suggests a person can have immunity to the new coronavirus as many as eight months after getting infected with the COVID-19 disease. A study … Read More

Fauci calls herd immunity concept for coronavirus ‘total nonsense’

WASHINGTON — Dr. Anthony Fauci is criticizing a declaration by a group of scientists that supports the concept of “herd immunity,” which the White House is using to bolster a … Read More

Herd immunity as coronavirus solution ‘simply unethical’: WHO

LONDON — The head of the World Health Organization warned against the idea that herd immunity might be a realistic strategy to stop the coronavirus pandemic, dismissing such proposals as … Read More

Scientists may have found first human link between antibodies, coronavirus protection

American scientists say they may have found the first evidence of a link in humans between certain antibodies and protection from becoming infected with the coronavirus. The findings — which … Read More

Only 5% of Spain’s population has coronavirus antibodies, despite severe outbreak: study

Results from the final stage of a nationwide antibody study show some 5.2 per cent of Spain’s population has been exposed to the new coronavirus, health officials said on Monday, … Read More

Does letting kids get coronavirus help build immunity among Quebec’s wider society?

The Quebec government has suggested that reopening schools and daycares could be a way to both kick-start its economy and slow the transmission of COVID-19 in the province. Quebec’s public … Read More

Coronavirus: What is herd immunity and what does it mean for COVID-19?

As the novel coronavirus continues to spread in Canada and around the globe, the concept of herd immunity has been put into the spotlight. In Canada, officials have shuttered schools … Read More