4th virus wave possible if steps not taken: Canada

Canada’s chief public health officer said Friday that the country could face a fourth wave of COVID-19, driven by the delta variant, by the end of summer if restrictions are eased too quickly and before enough people have been vaccinated.

Dr Theresa Tam said robust vaccination rates have helped reduced hospitalizations and deaths but inoculations must rise further to avoid renewed strain on hospitals and the health-care system.

She urged younger adults to become fully vaccinated as soon as possible, saying they continue to lag among age groups but are associated with the highest rates of disease transmission.

About 6.3 million Canadians have not received a first dose and over 5 million have not had a second, Tam told a news briefing.

“With just over five weeks until Labor Day in Canada, this time is crucial for building up protection before we gather in schools, colleges, university and workplaces this fall,” she said.

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