A staff worker controls the traffic outside a COVID-19 testing center in Vancouver, British Columbia, Canada, Sept. 24, 2020. Canadian Prime Minister Justin Trudeau said Wednesday evening that the second wave of COVID-19 epidemic has already begun in the country amid concerns over a possible national lockdown. COVID-19 cases have jumped nationally in Canada, from about 300 cases per day in mid-August to 1,248 on Tuesday. (Photo by Liang Sen/Xinhua)

Healthcare workers work inside a COVID-19 testing center in Vancouver, British Columbia, Canada, Sept. 24, 2020. Canadian Prime Minister Justin Trudeau said Wednesday evening that the second wave of COVID-19 epidemic has already begun in the country amid concerns over a possible national lockdown. COVID-19 cases have jumped nationally in Canada, from about 300 cases per day in mid-August to 1,248 on Tuesday. (Photo by Liang Sen/Xinhua)

A healthcare worker works inside a COVID-19 testing center in Vancouver, British Columbia, Canada, Sept. 24, 2020. Canadian Prime Minister Justin Trudeau said Wednesday evening that the second wave of COVID-19 epidemic has already begun in the country amid concerns over a possible national lockdown. COVID-19 cases have jumped nationally in Canada, from about 300 cases per day in mid-August to 1,248 on Tuesday. (Photo by Liang Sen/Xinhua)

Cars line up outside a COVID-19 testing center in Vancouver, British Columbia, Canada, Sept. 24, 2020. Canadian Prime Minister Justin Trudeau said Wednesday evening that the second wave of COVID-19 epidemic has already begun in the country amid concerns over a possible national lockdown. COVID-19 cases have jumped nationally in Canada, from about 300 cases per day in mid-August to 1,248 on Tuesday. (Photo by Liang Sen/Xinhua)

People line up to take COVID-19 test at a COVID-19 testing center in Vancouver, British Columbia, Canada, Sept. 24, 2020. Canadian Prime Minister Justin Trudeau said Wednesday evening that the second wave of COVID-19 epidemic has already begun in the country amid concerns over a possible national lockdown. COVID-19 cases have jumped nationally in Canada, from about 300 cases per day in mid-August to 1,248 on Tuesday. (Photo by Liang Sen/Xinhua)

A healthcare worker works inside a COVID-19 testing center in Vancouver, British Columbia, Canada, Sept. 24, 2020. Canadian Prime Minister Justin Trudeau said Wednesday evening that the second wave of COVID-19 epidemic has already begun in the country amid concerns over a possible national lockdown. COVID-19 cases have jumped nationally in Canada, from about 300 cases per day in mid-August to 1,248 on Tuesday. (Photo by Liang Sen/Xinhua)

Cars line up outside a COVID-19 testing center in Vancouver, British Columbia, Canada, Sept. 24, 2020. Canadian Prime Minister Justin Trudeau said Wednesday evening that the second wave of COVID-19 epidemic has already begun in the country amid concerns over a possible national lockdown. COVID-19 cases have jumped nationally in Canada, from about 300 cases per day in mid-August to 1,248 on Tuesday. (Photo by Liang Sen/Xinhua)