![]() ![]() The contacts are notified that they are at risk, and may include those who share the person's home, as well as people who were in the same place around the same time as the person with COVID-19 - a school, office, restaurant, or doctor's office, for example. ![]() A homologous booster is the same brand as the initial vaccine a heterologous booster is a different brand than the initial vaccine.Ĭommunity spread (community transmission): is said to have occurred when people have been infected without any knowledge of contact with someone who has the same infectionĬontact tracing: a process that begins with identifying everyone a person diagnosed with a given illness (in this case COVID-19) has been in contact with since they became contagious. An antibody test can indicate if you were previously infected but is not a reliable way to determine whether you are currently infected.Īntigen: a substance displayed on the surface of a microbe that stimulates the body to produce an immune response.Īntigen test: a diagnostic test that detects specific proteins on the surface of the virus.īooster: an additional dose of COVID-19 vaccine given after protection from the initial vaccine series begins to decline. If the antibodies later encounter the same infection, they help prevent illness by recognizing the microbe and preventing it from entering cells.Īntibody test: also known as a serologic test, an antibody test is a blood test that looks for antibodies created by your immune system. A mask can help prevent that spread.Īntibodies: proteins made by the immune system to fight infections. ![]() Aerosolized coronavirus can remain in the air for up to three hours. Another person can breathe in these aerosols and become infected with the virus. Aerosols are emitted by a person infected with coronavirus - even one with no symptoms - when they talk, breathe, cough, or sneeze. Chan School of Public Health study the symptoms of COVID-19 and track the spread of this virus by downloading the COVID Symptom Study app.Īerosols: infectious viral particles that can float or drift around in the air. Interested in participating in COVID-19 research by tracking daily symptoms through a simple app? Help doctors and scientists at Massachusetts General Hospital and Harvard T.H. Resources on Health Disparities and COVID-19.Harvard Medical School's HMX Online Learning team is offering a selection of immunity-related videos and interactive materials to help with understanding how the body reacts to threats like the coronavirus that causes COVID-19, and the role that vaccines can play in generating an immune response. ![]() Johns Hopkins University COVID-19 Interactive Map.Thinking about COVID booster shots? Here's what to know.Preparing for the holidays? Don't forget rapid tests for COVID-19.Wondering about COVID-19 vaccines for children 5 to 11?.Thinking about holiday gatherings? Harvard Health experts weigh in.Pandemic challenges may affect babies - possibly in long-lasting ways.Masks save lives: Here's what you need to know.Brain fog: Memory and attention after COVID-19.Year three of the pandemic is underway: Now what?. ![]()
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