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Is it possible to be contagious and test negative at the same time? 

If someone tested negative, but then just one day later developed Covid symptoms (and after a few more days tested positive), how long before developing symptoms would they likely have been contagious?  What about that negative test result?

Bonus points if you have a reputable source for the answer!

 

Posted
14 minutes ago, klmama said:

Is it possible to be contagious and test negative at the same time? 

If someone tested negative, but then just one day later developed Covid symptoms (and after a few more days tested positive), how long before developing symptoms would they likely have been contagious?  What about that negative test result?

Bonus points if you have a reputable source for the answer!

Yes, it's possible to be contagious and to test negative. I think that even on the day that there are FEWEST false negatives, there are 25% negatives, so it's really not unlikely. 

As for how long they would have been contagious, I think it would have varied quite a lot depending on the person. Some people don't spread it much and some are asymptomatic superspreaders. It's really hard to know. 

I can give you sources if you need, but I'm pretty reliable myself 😉 . 

  • Like 2
Posted
2 minutes ago, Not_a_Number said:

I can give you sources if you need, but I'm pretty reliable myself 😉 . 

I'm sure you are, LOL!  I would appreciate some reputable resources to share with someone who needs the info, if you can point me in the right direction.  

  • Like 1
Posted (edited)
5 minutes ago, klmama said:

I'm sure you are, LOL!  I would appreciate some reputable resources to share with someone who needs the info, if you can point me in the right direction.  

Here's the article I was thinking about: 

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7240870/

However, it's rather old, so I should search for some newer ones. 

ETA: never mind, everyone seems to be citing that one, lol. Would that do or would you like something more readable? 

Edited by Not_a_Number

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