Canadian public health officials say a rapidly spreading variant likely has now replaced the original Covid-19 virus in many parts of the country, and new variants are making younger people sicker and sending more to the hospital.
원문출처 : https://www.cnn.com/2021/04/06/americas/canada-covid-19-variants-spread/index.html
원문출처 : https://www.cnn.com/2021/04/06/americas/canada-covid-19-variants-spread/index.html