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The COVID-19 pandemic in Canada is part of the ongoing worldwide pandemic of coronavirus disease 2019 . It is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Most cases over the course of the pandemic have been in Ontario, Quebec, British Columbia and Alberta. Confirmed cases have been reported in all of Canada's ...
This timeline includes entries on the spread of COVID-19 misinformation and conspiracy theories related to the COVID-19 pandemic in Canada. This includes investigations into the origin of COVID-19, and the prevention and treatment of COVID-19 which is caused by the virus SARS-CoV-2.
Social media posts and Internet memes claimed that COVID-19 derives from "Chinese Originated Viral Infectious Disease 19", or similar, as supposedly the "19th virus to come out of China". [469] In fact, the WHO named the disease as follows: CO stands for corona , VI for virus , D for disease and 19 for when the outbreak was first identified (31 ...
The COVID-19 pandemic in British Columbia formed part of an ongoing worldwide pandemic of coronavirus disease 2019 , a novel infectious disease caused by severe acute respiratory syndrome coronavirus 2 . On January 28, 2020, British Columbia became the second province to confirm a case of COVID-19 in Canada. [2]
SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). [106] [107] Coronaviruses undergo frequent recombination. [108]
Transmission and life-cycle of SARS-CoV-2 causing COVID-19. Coronaviruses vary significantly in risk factor. Some can kill more than 30% of those infected, such as MERS-CoV, and some are relatively harmless, such as the common cold. [49] Coronaviruses can cause colds with major symptoms, such as fever, and a sore throat from swollen adenoids. [91]
A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 , the virus that causes coronavirus disease 2019 . The COVID‑19 vaccines are widely credited for their role in reducing the spread of COVID‑19 and reducing the severity and death caused by COVID‑19.
Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.