How long you are contagious and need to isolate depends on your symptoms and how long they last. The CDC advises that you isolate at home and away from others until your symptoms improve and you do not have a fever for at least 24 hours.2 Children have been shown to be more contagious...
How long are you contagious with COVID-19? You are contagious and may spread the virus that causes COVID-19, at least 2 days before you show symptoms and for up to 10 days from the day you have your first symptom. The highest risk of transmitting the virus to someone else in the fe...
Since the beginning of the COVID pandemic, several variants have dominated at various times, including the Alpha, Beta, Delta, and Omicron strains. The CDC says COVID is very contagious and spreads quickly to others. Although 98% of people in the U.S. have some immune protection to the v...
There’s a new variant of COVID and omicron called HV.1 that is spreading rapidly around the United States. The variant is a powerful and contagious mutation of the deadly virus that has only been around for a few months but has quickly become theleading strain of COVIDin the US. Scient...
Long said lab data suggests a prior infection with the original omicron is not very protective against reinfection with the new mutants, though the true risk of being reinfected no matter the variant is unique to every person and situation. ...
there are still a lot of susceptible hosts out there for the virus, and that it will continue to circulate and mutate as long as it can spread. The emergence of the omicron variant is yet another reminder of the urgency to vaccinate to stop the further sprea...
For all theattentionomicron is getting, the overwhelming cause of infections and deaths in many places remains the extra-contagiousdeltavariant. "Delta is the real risk right now. Omicron is an uncertain threat," Dr. Francis Collins, director of the U.S. National Institutes of Health, told Th...
How Long Will You Test Positive? You may be contagious if you feel better but test positive within 10 days after your symptoms start. In that case, continue wearing ahigh-quality mask. Wait 48 hours, then take another test. The CDC advises wearing a high-quality mask if you do not take...
As long as very contagious variants of COVID such as Omicron keep evolving, masks remain an important way to stay safer in certain situations. Depending on the spread of COVID, officials will continue to update mask guidance as needed. So make sure you're up to date on which masks offer...
Are you still contagious if you’re testing positive? This is where things get a little tricky, since you might get different results depending on which type of test you use. Specifically, Dr. Russo cites data that show PCR tests can stay positive for up to 90 days after you originally ...