All
Search
Images
Videos
Shorts
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
COVID-19 vaccine protection drops over time
6 months ago
MSN
KYTX-TV Tyler-Longview
COVID-19 vaccine
Sep 11, 2024
www.nhs.uk
3:46
Pfizer-BioNTech vaccine lead: Boosters could be every 12 or 18
…
Oct 4, 2021
CNBC
Berkeley Lovelace Jr.
0:53
CDC walks back claim that vaccinated people can’t carry COV
…
Apr 2, 2021
NEW YORK POST
Natalie O'Neill
0:22
Covid booster vaccine offers more protection for adults 65 and older
…
7 months ago
NBC News
Akshay Syal,M.D.
1:08
How quickly does the vaccine work and how long does the protection
…
449 views
Mar 17, 2023
covid19infovaccines.com
4:06
J&J's Covid vaccine shows promising long-term durability
Mar 19, 2022
NBC News
Dana Varinsky
COVID-19 Vaccine Updates 2026: Booster Shots, Effectiveness, and
…
2 months ago
medicaldaily.com
2:13
The FDA just approved the new Covid vaccine: When to get it and
…
Aug 21, 2024
NBC News
Berkeley Lovelace Jr.,Akshay Syal,M.D.
How the coronavirus vaccine works and why Americans should trust it
Dec 17, 2020
CNBC
MacKenzie Sigalos
COVID-19 Vaccine: What You Need to Know
Jan 29, 2025
hopkinsmedicine.org
3:00
Covid immunity wanes 6 months after the Pfizer vaccine
Jul 28, 2021
CNBC
1:51
Pfizer says vaccine's power wanes over time. Are you still protected?
Jul 28, 2021
NBC News
Akshay Syal,M.D.
4:45
Do Omicron COVID Vaccine Booster Shots Protect Against Infection? T
…
Sep 20, 2022
nbcchicago.com
COVID-19 Vaccines Advice
Oct 8, 2024
who.int
Prevent COVID-19
3 months ago
lung.org
2:03
Does the vaccine protect you from the Delta variant? Here's what we
…
561.2K views
Jun 30, 2021
Yahoo
USA TODAY
How long does protective immunity against COVID-19 last after infecti
…
Feb 25, 2022
theconversation.com
21:31
The safe science behind COVID-19 booster shots
Jan 31, 2022
CBC
COVID-19 vaccines: Get the facts
6 months ago
mayoclinic.org
0:42
COVID Vaccine Safety Debunking Myths, Highlighting Protection
756 views
3 weeks ago
YouTube
Amesh Adalja MD
2:28
How do mRNA COVID-19 vaccines work?
426.9K views
Mar 10, 2021
YouTube
PBS NewsHour
6:48
mRNA vaccines, explained
3M views
Feb 2, 2021
YouTube
Vox
1:13
COVID-19 vaccines – How vaccines work
221.9K views
Jan 24, 2021
YouTube
Australian Dept of Health, Disability and Ageing
1:35
How does Moderna's Coronavirus vaccine work?
134.9K views
Nov 16, 2020
YouTube
The Telegraph
0:31
COVID-19 Vaccines PSA: Safety – Simone 30 seconds
86.3K views
Jul 16, 2021
YouTube
Centers for Disease Control and Prevention (C…
1:16
Do the COVID-19 mRNA Vaccines Impact DNA?
2.7K views
Aug 23, 2021
YouTube
ChristianaCare
3:29
Top 8 Vaccines for Covid-19 | Comparison
3.3M views
Apr 29, 2021
YouTube
Hussain Biology
7:44
What you need to know about COVID-19 booster shots
60.8K views
Aug 19, 2021
YouTube
Mayo Clinic
2:16
How vaccines work against COVID-19: Science, Simplified
1.1M views
Dec 18, 2020
YouTube
Scripps Research
See more videos
More like this
Feedback