Face mask effectiveness: What we know now
2:59
Face mask effectiveness: What we know now
2023年10月29日
CBS News
Largest study on masks and Covid-19 demonstrates their effectiveness in the real world
Largest study on masks and Covid-19 demonstrates their effectivenes…
9 个月之前
yale.edu
How scientists test face mask effectiveness against coronavirus
2:04
How scientists test face mask effectiveness against coronavirus
2020年6月21日
NBC News
Does wearing a face mask help to prevent Covid? Linsey Marr, a Virginia Tech University professor specializing in aerosol science, explains what scientists have learned since the pandemic began. https://cbsn.ws/40fw0nq | 60 Minutes
2:55
Does wearing a face mask help to prevent Covid? Linsey Marr, a Vir…
已浏览 2259 次2023年10月30日
Facebook60 Minutes
Researchers tested 14 different types of face coverings for effectiveness. Here’s how your mask of choice fared: | Dr. Mehmet Oz
1:45
Researchers tested 14 different types of face coverings for effecti…
已浏览 4.4万 次2020年8月12日
FacebookDr. Mehmet Oz
Coronavirus face masks: Study shows multi-layer masks work better
2:09
Coronavirus face masks: Study shows multi-layer masks work bet…
2020年7月24日
CBS News
16K views · 87 reactions | Your face mask doesn't have to be a "Karen Walker" like Dom's one. But this is a great way to test it's working as it should!  | The Edge Breakfast | Facebook
0:33
16K views · 87 reactions | Your face mask doesn't have to be a "Karen …
已浏览 1.6万 次2 周前
FacebookThe Edge Breakfast
0:29
New study shows effectiveness of different face masks
2020年7月1日
ABC News
1:02
This simple test analyzes effectiveness of masks
2020年8月11日
ABC News
6:42
How effective is your face mask?
2020年8月21日
NBC News
0:35
49K views · 250 reactions | WPTV and Florida Atlantic University tes…
已浏览 4.9万 次4 周前
FacebookWPTV
0:24
New study raises questions about effectiveness of COVID-19 face shi…
2020年9月1日
ABC News
3:04
What is the best face mask to wear to stop the spread of COVID-19?
2022年1月13日
ABC NewsSarah Motherwell,Isobel Roe
3:41
Researchers test effectiveness of masks and social distancing
2020年6月30日
Mail Online
1:15
Coronavirus: New research reveals which face masks work best
2020年8月10日
TODAY.comA. Pawlowski
1:51
An N95 Mask Is Your Best Outdoor Defense Against Wildfire Smoke
2023年6月7日
TIMEAlice Park
Are Face Masks Effective? The Evidence.
2020年7月30日
swprs.org
0:59
What is an N95 mask?
2020年4月2日
ABC NewsDr. Delaram J. Taghipour
New research shows CDC exaggerated the evidence for mas…
2023年2月8日
suntimes.com
5:01
Still Confused About Masks? Here’s the Science Behind How Face Mas…
2020年6月26日
ucsf.edu
1:12
May 2020: Study into effectiveness of face masks
2021年7月5日
Sky News
The Evolving Science of Face Masks and COVID-19 - FactCheck.org
2021年3月2日
factcheck.org
Do LED Face Masks Actually Work? Here's What Doctors Say.
1 周前
womenshealthmag.com
That Study of Face Masks Does Not Show What the CDC Claims
2022年2月7日
reason.com
0:47
Testing 32 Degrees Mask Effectiveness (Florida Atlantic Uni)
2020年9月8日
Amazon
Evidence shows that, yes, masks prevent COVID-19 – and surgical …
2021年9月22日
theconversation.com
4:17
Doctor Explains What You Need to Know About Wearing Masks for C…
已浏览 22万 次2020年4月8日
YouTubeWIRED
The 2-Step Test to Check If Your Face Mask Is Effective
已浏览 9146 次2020年9月22日
YouTubeThe Doctors
9:24
Myths & Debunks: 7 Face Mask Effectiveness Tests at Home
已浏览 5万 次2020年4月12日
YouTubeGenius Asian
14:58
Masks, no evidence they work
已浏览 104.2万 次2023年3月2日
YouTubeDr. John Campbell
观看更多视频
静态缩略图占位符