![]() How long you are in contact, if the space has good air flow and your activities all affect the risk. Many factors affect your risk of catching the virus that causes COVID-19. If you spend more than 30 minutes in close contact with someone who has COVID-19.If you spend time in places with poor air flow and a higher number of people when the virus is spreading.It's rare for a person to get COVID-19 from a pet. Cats, dogs, hamsters and ferrets have caught this coronavirus and had symptoms. The virus that causes COVID-19 can infect some pets. If the coronavirus that causes COVID-19 changes in ways that make previous infections or vaccination less effective at preventing infection, people can get sick again. During this process, the genetic code can randomly change in each copy. As a virus infects a group of people, the virus copies itself.A person may be exposed to so much of the virus that it breaks through their immune defense. ![]()
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