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 and all non-essential businesses, have limited all non-essential travel and have urged the public to practice physical distancing in order to stem the spread of COVID-19 and give researchers time to develop a vaccine.
But, if scientists aren’t successful in creating a vaccine, the country would need to develop what is known as natural herd immunity in order for the pandemic to end.
What is herd immunity and what does it mean for COVID-19? Here’s what experts say. Kwong said if you have enough people who are immune in the population, then the infection won’t