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結果 : can you spread covid if you test negative
1:37

How long is someone with COVID contagious?

CBS Boston
134,037 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
78,826 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
0:26

Negative COVID-19 Test - What you need to know

Shippensburg University
84 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
32:08

Coronavirus, well people spreading infection

Dr. John Campbell
138,110 回視聴 - 5 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
4:19

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

Doctor Mike Hansen
407,768 回視聴 - 2 年前
1:33

COVID-19 Without Symptoms: What Should You Do If You Test Positive

Sharecare | Medical Matters
293 回視聴 - 3 年前
2:13

What COVID Test Do I Need - And When?

Roots Community Health
251 回視聴 - 3 年前
2:12

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

WCNC
20,383 回視聴 - 4 年前
9:34

Contact Trace - How to stop the spread of COVID-19

DrTanya
3,094 回視聴 - 5 年前
3:46

Coronavirus outbreak: A negative COVID-19 test doesn't mean you're coronavirus-free

Global News
15,070 回視聴 - 5 年前
1:51

If you're fully vaccinated, are you exempt from COVID-19 testing?

WCNC
317 回視聴 - 4 年前
1:37

Can you test positive for COVID-19 after being vaccinated?

First Coast News
1,996 回視聴 - 4 年前
2:14

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

WCNC
12,080 回視聴 - 3 年前
2:44

What to do if you’re still testing positive for COVID after isolation

KPTV FOX 12 | Local news, weather Portland, Oregon
36,253 回視聴 - 3 年前
0:45

JUST THE FACTS: What if I test positive for COVID-19, but am not sick?

Yale New Haven Health
531 回視聴 - 4 年前
6:17

Why you might still have Covid-19 despite a negative test

CNN
60,532 回視聴 - 1 年前
0:54

After testing positive for COVID-19, when can I stop self-isolating?

Mount Sinai Health System
51,304 回視聴 - 3 年前