He notes that PCR tests often stay positive for days or even weeks longer than people are contagious, making them ideal for diagnosing COVID, but less ideal for knowing when you no longer need to worry about spreading an infection to others. Can you be contagious after a negative COVID test?
My stuff (should you for some weird reason be curious) I tested + almost a week and a half ago and am STILL testing positive. I am doing everything possible to not give this thing air. I'm wearing an N95 outside all the time now and only going out if it's necessary. I have 2...
What types of testing are available for HIV? Are these tests able to detect all HIV strains? Why or why not? Which cells in our immune system allow vaccines to work? A) How does the rinderpest vaccine work? B) What ty...
Yes, it is possible. You may test negative if the sample was collected early in your infection and test positive later during this illness. You could also be exposed to COVID-19 after the test and get infected then. Even if you test negative, you still should take steps to protect yours...
Since the virus is spreading like wildfire, you always think about your next move. With several countries suffering from community spread, all of us are trying to keep ourselves safe from the contagious disease. But, you always have confusion regarding how to proceed or what steps to follow wh...
There is amassive COVID-19 surge this summer. While most of the developed world acts like there isn't a highly contagious respiratory virus running rampant (not to mention long COVID still impacts so many), it's still important to be responsible and protect yourself. How can you do that...
Energy is contagious. We can feel that when we walk into a room, enter a club, or are near someone unhappy or hostile. It also emanates from the collective, our screens, and the TV. Social media also erodes empathy. It’s been said that lack of empathy is the real root of all evi...
Ranking Member Patty Murray in her opening statement criticized President Trump for choosing to "ignore the facts, and ignore the experts who have been clear we are nowhere close to where we need to be to reopen safely." She also called for a national testing system, as well as for more ...
We see an almost 90% reduction in testing positive on the third day. I suspect that overstates the results because it lowers salivary or nasal fluid viral load more than cellular load, so let’s look at outcomes: 90% reduction in hospitalization, 85% reduction in oxygen use, and 88% red...
There are three basic steps to stamping out the spread of a highly contagious disease such as COVID-19. First, you detect who has the disease. Then, you trace who they may have passed it to. And finally, you isolate everyone who is at risk. ...