All
Search
Images
Videos
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
5:27
CBS News
Alexander Tin
COVID testing confusion
Many factors can affect how likely a COVID-19 test is to correctly spot an infection.
Jan 7, 2022
How PCR Works
7:54
PCR (Polymerase Chain Reaction)
YouTube
Amoeba Sisters
2M views
Oct 1, 2020
1:21
How PCR (Polymerase Chain Reaction) works explained in 1 minute
YouTube
Henrik's Lab
34.5K views
Nov 5, 2020
2:24
Basic Molecular Biology: PCR and Real-Time PCR – Principle of PCR
YouTube
Centers for Disease Control
101.7K views
Mar 8, 2022
Top videos
1:42
CDC's new COVID-19 testing guidelines widely criticized
CBS News
Audrey McNamara
Aug 28, 2020
How is the COVID-19 Virus Detected using Real Time RT-PCR?
iaea.org
Mar 27, 2020
4:22
Here's what you need to know about Covid-19 testing accuracy
CNBC
Oct 5, 2020
PCR Animation
3:05
PCR (Polymerase Chain Reaction) Animation
YouTube
BioMan Biology
36K views
May 6, 2022
4:09
What is PCR? Step-by-Step Animation for Beginners
YouTube
SlideScience
129 views
3 months ago
3:56
PCR - Polymerase Chain Reaction (IQOG-CSIC)
YouTube
CanalDivulgación
4.6M views
Apr 20, 2014
1:42
CDC's new COVID-19 testing guidelines widely criticized
Aug 28, 2020
CBS News
Audrey McNamara
How is the COVID-19 Virus Detected using Real Time RT-PCR?
Mar 27, 2020
iaea.org
4:22
Here's what you need to know about Covid-19 testing accuracy
Oct 5, 2020
CNBC
COVID 19 Tests: RT-PCR vs Rapid Antigen Test - COMPARISON - Wh
…
May 20, 2021
zeebiz.com
The Four Rapid COVID 'PCR' Style Tests You Can Take at Home (and
…
11 months ago
lifehacker.com
Basic Molecular Biology: PCR and Real-Time PCR – Principle of PCR
2 months ago
news-journal.com
How long do PCR Covid test results take?
Jan 14, 2022
the-sun.com
1:43
PCR vs. home COVID test: Local expert explains difference
Jan 13, 2022
wrdw.com
0:21
Have symptoms and want a COVID-19 test? Call a doctor first. Visit st
…
1.7M views
May 11, 2020
Facebook
CDC
4:39
Covid tests: What's the difference between PCR and rapid antigen?
47.3K views
Jan 8, 2022
Facebook
CNN
2:30
PCR vs. Rapid: Which COVID Test Should You Take?
May 23, 2022
nbcchicago.com
COVID-19 testing: PCR tests versus antigen tests versus antibody tests
Apr 23, 2023
azcentral.com
2:08
423K views · 2K reactions | Planning on using a rapid COVID-19 test to
…
423.3K views
3 weeks ago
Facebook
CBC News: The National
2:27
PCR vs. Antigen COVID Testing: What You Need to Know
Jan 13, 2022
nbcsandiego.com
What's the Point of PCR Tests Anymore?
Feb 16, 2023
TIME
Jamie Ducharme
2:43
New all-in-one test for COVID, flu and RSV: What to know
Dec 20, 2022
ABC News
Everything you need to know about PCR tests
Jan 5, 2022
Metro
Andrew Gaudion
COVID testing FAQs: Your guide to home, over-the-counter antigen an
…
Jan 25, 2022
tcpalm.com
1:22
Can Omicron evade detection from PCR and lateral flow tests for Covi
…
Jan 4, 2022
thenationalnews.com
How long after I get COVID-19 will I test negative?
May 10, 2022
gavi.org
4:10
At-home COVID-19 tests: How they work and how to interpret their res
…
Jan 14, 2022
ABC News
Mary Kekatos
When Should You Get a COVID Test?
Jan 26, 2022
scientificamerican.com
RT-PCR, antigen, antibody, TrueNAT — all you need to know about the
…
Jun 27, 2020
theprint.in
0:31
If you have COVID-19 symptoms (including fever, coughing, and dif
…
99.6K views
Apr 24, 2020
Facebook
CDC
3:44
What to know about at-home COVID testing
Jan 18, 2022
ABC News
Katie Kindelan
2:39
At-home Covid tests can now be ordered for free: What you need t
…
Sep 25, 2023
NBC News
Theresa Tamkins
0:45
New CDC COVID Guidelines: What to Know If You Test Positive or W
…
Aug 12, 2022
nbcchicago.com
The road to COVID-19 testing: The role of a Canadian biotech pioneer
Jul 29, 2020
theconversation.com
At-home COVID-19 tests: A Mayo Clinic expert answers questions o
…
Sep 18, 2023
mayoclinic.org
See more videos
More like this
Feedback