When you hear that someone close to you has been infected with COVID-19, you may wonder how much you are placed at risk as a result.
Group 1: If Person A is a COVID-19 patient and another person comes near to, or in close contact with, Person A, that second person would be called a high-risk contact (Person B). This means having been in close proximity (within 1 meter) to the patient for a sustained period of 15 minutes or more, with or without masks. Person B is advised to quarantine for 14 days with no contact or close proximity to anyone else, wear a mask, wash their hands frequently, and be tested for infection on the 5th day after their first contact with Person A. Testing prior to the 5th day after first contact with the patient is not recommended, as the test could produce false negative results if the virus is still in its incubation period. Additionally, in the case of a false negative, Person B could mistakenly believe that they are COVID-free and unknowingly infect others as a result.
Group 2: A person who has been in close contact with someone in group 1 (Person B) would be considered a low-risk contact (Person C). For example they may have walked past one another, spoken to each other for less than one minute while wearing a mask and without any physical contact, remained 1-2 meters apart, or may have been a work colleague of someone in group 1, etc. Those in this low-risk contact group (Person C) are advised to wear a mask and to avoid crowded or at-risk locations, as well as to observe their symptoms for up to 14 days. However, they do not need to quarantine.
Group 3: Those considered not-at-risk may be someone in the same community or living in the same condo building as a COVID-19 patient but who has had no contact with them. As a basic precaution, it is recommended that they wear a mask, wash their hands frequently, and keep a safe distance from others. However, quarantine is not necessary.
