Common Human Coronaviruses
This certificate lets you enter countries without any hassle of quarantine or testing for COVID-19. When layered together, public health measures are effective in reducing the spread of COVID-19, including variants of concern. Vaccination is one of the most effective ways to protect our families, communities and ourselves against COVID-19. Evidence indicates that the vaccines used in Canada are very effective at preventing severe illness, hospitalization and death from COVID-19. If you don’t feel well or if you have any symptoms, even if mild, assume you may have COVID-19. Although COVID-19 is seen as a disease that primarily affects the lungs, it can also damage many other organs, including the heart, kidneys and the brain. Organ damage may lead to health complications that linger after COVID-19 illness. They're generally considered to be effects of COVID-19 that persist for more than four weeks after you've been diagnosed with the COVID-19 virus. Information for healthcare...