While the authors said that they can't recommend an optimal duration for quarantine because their study involved only confirmed cases rather than possible exposures, the results appear to indicate that people with COVID can infect others for about 9 days. But the researchers caution that many patients in the studies they analyzed were hospitalized and received different therapies that may have altered the course of their infection and therefore their period of infectiousness.
Understanding the pattern of COVID contagiousness is important for public health officials formulating measures to control its transmission, the researchers said. Andrews, said. Cevik also said that repeat diagnostic testing for COVID may not be necessary to decide whether a patient is no longer contagious, "as this could remain positive for much longer and does not necessarily indicate they could pass on the virus to others. In patients with non-severe symptoms, their period of infectiousness could instead be counted as 10 days from symptom onset.
Grant support for ASP provided by. Become an underwriter». All rights reserved. The University of Minnesota is an equal opportunity educator and employer. We explain the benefits of apple cider vinegar, and what the science says about it treating the common cold. What does research say about whether you should exercise with a cold? Learn what you should and shouldn't do, and how you can help yourself recover…. When you have a cold, you may have a hard time sleeping well due to congestion, coughing, or a runny nose.
Some medications may help you sleep better…. A healthy diet is key to flu prevention and a working immune system. Check out these easy-to-make drinks that contain the essential nutrients. Health Conditions Discover Plan Connect. Medically reviewed by Cameron White, M. Am I contagious? When to stay home Treatment What about allergies? Outlook We include products we think are useful for our readers. Share on Pinterest. When to stay home. Treatment for your flu or cold. Respiratory allergies. Read this next.
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Medically reviewed by Emelia Arquilla, DO. First things first: Do you have a cold or the flu? Read: Is It a Cold or the Flu? When can I go back to work or school? The contagious period for the flu can last as long as days from when you first felt sick. An ounce of prevention. Tags: Expert Advice.
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