結果 : does positive pcr mean contagious

-
1:37

How long is someone with COVID contagious?

CBS Boston
118,623 回視聴 - 2 年前
1:23

Can a person be contagious more than five days after positive COVID test?

11Alive
484,272 回視聴 - 2 年前
3:09

How do COVID-19 tests work? RT-PCR explained.

IAEAvideo
95,203 回視聴 - 1 年前
2:42

What if I am still positive for COVID after 10 days?

CBS 8 San Diego
68,764 回視聴 - 2 年前
4:19

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

Doctor Mike Hansen
287,494 回視聴 - 1 年前
3:32

What should you do if you test positive for COVID | ACP

American College of Physicians
44,109 回視聴 - 1 年前
10:52

The Highs and Lows of PCR | Dr Leong Hoe Nam @ The Rophi Clinic

Rophi Clinic
2,470 回視聴 - 2 年前
1:24

How long can you test positive after a COVID-19 test?

11Alive
291,813 回視聴 - 2 年前
48:31

Positive PCR Test. Is It Really Positive?

Drbeen Medical Lectures
79,983 回視聴 - 4 年前 に配信済み
0:57

Am I positive? Antigen and PCR levels of detection. Dr Michael Mina explains. #covid19theanswers

Covid-19 The Answers - Dr Funmi Okunola MD
156 回視聴 - 2 年前
2:12

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

WCNC
20,284 回視聴 - 3 年前
3:25

Rapid antigen tests: What does it mean if result is positive after 5 days? | FOX 7 Austin

FOX 7 Austin
101,922 回視聴 - 2 年前
0:22

If I receive a negative PCR test, can I use the certificate ? And for how long ?

European Commission
3,817 回視聴 - 3 年前
1:56

You can test positive for COVID-19 on PCR tests for up to 12 weeks

VERIFY
5,926 回視聴 - 2 年前
5:37

COVID-19: What do rapid test results actually mean?

CBC News: The National
19,146 回視聴 - 2 年前
7:52

When You Should Take a PCR or Rapid Antigen Test

KPIX | CBS NEWS BAY AREA
2,141 回視聴 - 2 年前
2:02

Get a faint line on your rapid COVID test? Here’s why that might actually be a good thing

CBS 17
90,138 回視聴 - 1 年前
2:55

Gov. DeWine addresses concerns with PCR COVID-19 testing

WBNS 10TV
80 回視聴 - 4 年前
0:40

Real Question: How Long Does it Take to Test Positive for HIV?

Emory Healthcare
328,767 回視聴 - 15 年前
1:10

COVID-19: What to do if you test positive twice in a 10-day period?

WVTM 13 News
8,693 回視聴 - 2 年前