Coronavirus Symptoms - Science should be so obvious that a layman can do it and find out the truth. Can anyone tell me how a person with no symptoms of a disease can infect another person with a coronavirus?

12:08am PDT - July 4th, 2023

Science should be so obvious that a layman can do it and find out the truth. Can anyone tell me how a person with no symptoms of a disease can infect another person with a coronavirus?

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