結果 : can you pass covid to someone if you test negative
1:37

How long is someone with COVID contagious?

CBS Boston
134,121 回視聴 - 3 年前
1:37

COVID-19: When are you no longer contagious after testing positive or experiencing symptoms?

WVTM 13 News
78,847 回視聴 - 3 年前
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How long can you test positive after a COVID-19 test?

11Alive
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2:12

VERIFY: Can you test positive for COVID-19 long after you're contagious?

WCNC
20,383 回視聴 - 4 年前
0:45

Doctors warn incubation period of COVID-19 can give false negatives if test is taken too soon after

KMOV St. Louis
5,029 回視聴 - 4 年前
0:42

What if you have COVID symptoms but your rapid test results are negative?

CBC News: The National
64,412 回視聴 - 3 年前
1:39

How long-COVID is affecting former patients months after they test negative

KENS 5: Your San Antonio News Source
309 回視聴 - 3 年前
2:23

VERIFY: Viral post about how asymptomatic patients spread COVID-19 lacks context

KHOU 11
9,185 回視聴 - 4 年前
1:08

What to do if you test positive for COVID-19?

KTNV Channel 13 Las Vegas
7,772 回視聴 - 5 年前
4:19

COVID-19 vs. Flu vs. RSV: How to tell the difference between respiratory infections

Doctor Mike Hansen
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Coronavirus, well people spreading infection

Dr. John Campbell
138,110 回視聴 - 5 年前
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Contact Trace - How to stop the spread of COVID-19

DrTanya
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No, you should not test for COVID-19 only if you are symptomatic

WCNC
12,085 回視聴 - 3 年前
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What to do if you’re still testing positive for COVID after isolation

KPTV FOX 12 | Local news, weather Portland, Oregon
36,259 回視聴 - 3 年前
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Negative COVID tests don't guarantee health ahead of Thanksgiving, doctors say

11Alive
303 回視聴 - 4 年前
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Five Days of Isolation For COVID is Not Good Science

F. Perry Wilson, MD
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What do we need to know about the new COVID variant?

American Medical Association (AMA)
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You can test negative for COVID-19 but still have it. Here’s how

PBS NewsHour
130,071 回視聴 - 4 年前
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Covid-19 | If you test negative, means you are safe? Oneindia News

Oneindia News
297 回視聴 - 3 年前
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'I'm Now Testing Negative': Greg Abbott Gives Update On COVID-19, Promotes Vaccination

Forbes Breaking News
28,923 回視聴 - 4 年前