How Does PCR Testing Work?

So why do I have to quarantine just because I came into contact with that tested positive? This is probably a question that's on a lot of people's minds. This video contains a great explanation of how PCR tests work. The test cannot detect infection in the early stages, which can create a false negative while the infected individual is still contagious. If any of your patients are wondering why they have to quarantine, show them this video!