1 like 8 dislike
in General Factchecking by Innovator (51.8k points)
Masks are ineffective against microscopic virus transmission, and believing otherwise reflects a lack of understanding.
by Newbie (240 points)
0 0
This is false. Wearing masks has been confirmed to be effective by many credible sources such as Harvard Health, and John’s Hopkins Medicine. The N95 masks have reduced the spreading of viruses, especially COVID-19.
ago by (100 points)
0 0
Face masks can help stop the spread of germs, but they aren’t a guaranteed way to prevent illness. They work best when used with other things like washing hands, staying home when sick, and getting vaccinated. If a mask isn’t worn right or doesn’t fit well, it won’t be as helpful. Also, viruses can still spread in ways that masks don’t completely block. While masks add some protection, they aren’t the only way to stay healthy. So this article would be correct

Sources: https://www.cdc.gov/
https://www.who.int/

28 Answers

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ago by Newbie (300 points)
This claim is false. On their website, The Center for Disease Control says masks lower the risk of the transmission of respiratory viruses. The CDC also notes that different masks will provide varying amounts of protection.

CBS interviewed Linsey Marr, a professor specializing in aerosol science at Virginia Tech University. Marr said that although masks are not 100% effective at blocking airborne particles, N95s are 95% effective when used correctly.

https://www.cdc.gov/respiratory-viruses/prevention/masks.html

https://www.cbsnews.com/news/face-mask-effectiveness-what-science-knows-now-60-minutes/
False
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ago by Novice (600 points)
edited ago by

This claim is false. There is plenty of research proving that masks help fight against virus transmissions. According to the CDC, "Wearing a mask can help lower the risk of respiratory virus transmission.", meaning that when harmful bacteria and illnesses are going around, having a mask creates a shield of protection against those viruses. Therefore, minimizing your chances of getting sick and being effective. 

Another article I found published by Mayo Clinic, an organization that focuses on clinical practices, states that "For people at high risk, the CDC suggests you wear a mask that provides you with the most protection possible", this is because they offer protection against any viruses in the air and slow down the transmission of these viruses. The website also lists the different kinds of masks that are effective and how to use them.

“Can Face Masks Protect against Covid-19?” Mayo Clinic, Mayo Foundation for Medical Education and Research, 4 Nov. 2023, www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-mask/art-20485449. 

False
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ago by Newbie (300 points)

The claim is that masks are ineffective at protecting against microscopic virus transmission. This claim is false. 

The first red flag is that the link that the claim maker provided takes you to a site called Bluesky. Blusky is a Twitter-style social media site that allows users to post whatever claims they want, factual or not. The page says "Post Not Found" which means it was either deleted or removed. This raises suspicion because a factual post would have no reason to be removed or deleted. 

Additionally, upon searching the claim into Google, an article by the National Library of Medicine comes up. It addresses claims like the one mentioned here, and uses empirical studies to discover that "masks have a disproportionately large protective effect and that more frequently wearing a mask provides super-linearly compounding protection."

The CDC, a government organization, also mentions how masks work to effectively protect against virus transmission. One article says "masks can help act as a filter to reduce the number of germs you breathe in or out." 

Based on the findings and research from the National Library of Medicine and the CDC, this claim is proven false. 

https://www.cdc.gov/respiratory-viruses/prevention/masks.html

https://pmc.ncbi.nlm.nih.gov/articles/PMC8499874/

False
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ago by Newbie (300 points)

This claim is false. Masks have been scientifically proven to be effective in preventing the spread of viruses by many widely respected health organizations such as the CDC, and WHO. 

One study that was done by the World Health Organization directly illustrates the effectiveness of face masks in preventing the spread of viruses. "Face masks reduced the chances of infection by more than 80 percent. With face masks, the chance of infection was 3.1 percent compared with 17.4 percent without a mask." This study was specifically conducted on the effectiveness of masks in preventing the transmission of Covid-19 but as Covid-19 is a microscopic virus this study directly addresses the effectiveness of masks in preventing the transmission of microscopic viruses. 

To make a mask the most effective in preventing the transmission of microscopic viruses masks must be correctly fitted to a persons face. There must be no gaps, and all exhaled and inhaled air must be filtered through the masks layers in order for it to be effective. If not correctly fitted masks effectiveness lessens as infected particles are released and inhaled without being filtered. 

Overall masks are effective in preventing the spread of microscopic viruses when fitted correctly to a persons face.

Sources - 

https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-mask/art-20485449

https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)31142-9/fulltext

https://answers.childrenshospital.org/covid-19-mask-science/

False
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ago by Newbie (270 points)
This is false. The CDC says that "masks can help act as a filter to reduce the number of germs you breathe in or out". The World Health Organization supports this as well, stressing how important it was to wear masks at the height of the Covid pandemic, as it "reduces the number of infectious particles that may be inhaled or exhaled. The source linked below the claim was not credible either. It was posted on bsky, which appears to be an app similar to Twitter, where anyone can post any content they want to, without requiring any qualifications. This source therefore does not prove anything.

https://bsky.app/profile/did:plc:zcluqhvkw7smmlpr2z2glkcf/post/3lc23yygmds2j

https://www.who.int/news-room/questions-and-answers/item/coronavirus-disease-covid-19-masks

https://www.cdc.gov/respiratory-viruses/prevention/masks.html
False
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ago by Newbie (300 points)
This is a false claim. The post was made on Blue Sky, a site similar to formerly Twitter (X), where posts cand content is not regulated or fact checked, and anyone can post what they want. The CDC (Center for disease control) is a national health organization complied of renowned scientists, doctors, and researchers that says "...when worn by a person who has a virus, masks can reduce the chances they spread it to others. Masks can also protect wearers from inhaling germs; this type of protection typically comes from better fitting masks (for example, N95 or KN95 respirators)." However, I researched further as the CDC website has been modified to comply to Trump Administration Ecex. Orders. The World Health Organization has said "masks are one component of a package of prevention and control measures to limit the spread of COVID-19," falsifying this person's claim. I also took this claim with a grain of salt, as the second part has no academic or professional standing, proclaiming that those who would disagree reflect a lack of understanding. As Covid is mainly transmittable via air, these filters have been proven in various studies (CHC, WHO, etc.) that they help prevent transmission of particles and germs.

https://www.who.int/news-room/questions-and-answers/item/coronavirus-disease-covid-19-masks

https://www.cdc.gov/respiratory-viruses/prevention/masks.html
False
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ago by Newbie (460 points)
edited ago by

The claim that “Masks don’t work and are ineffective against microscopic virus transmission” is proven to be false based on information published by multiple reliable sources. The initial source linked to this claim is no longer accessible, but the claim itself is still able to be fact-checked. 

The first source I researched was the Masks and Respiratory Viruses Prevention page from the Centers for Disease Control and Prevention. The CDC is a government provided organization that promotes and protects public health. It is a highly regarded and reliable source, often used by public health authorities, physicians, and other health care professionals. 

A summary is posted at the top of the page, stating that “Wearing a mask can help lower the risk of respiratory virus transmission. When worn by a person with an infection, masks reduce the spread of the virus to others. Masks can also protect wearers from breathing in infectious particles from people around them.” These statements directly disprove the initial claim. 

The initial claim does not specify what types of masks it is referring to, meaning that it is safe to assume claiming that all masks are ineffective. Information from both the CDC website and the California Department of Public Health site on Division of Communicable Diseases advise readers on which masks are most effective (N95s and KN95s). Although cloth and surgical masks are less protective against virus transmissions, they are still able to block some virus particles. Overall, most masks have been proven to be incredibly valuable tools in preventing the spread of viruses. 

https://www.cdc.gov/respiratory-viruses/prevention/masks.html

https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/Respiratory-Viruses/When-and-Why-to-Wear-a-Mask.aspx

https://pmc.ncbi.nlm.nih.gov/articles/PMC7510705/

False
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ago by Newbie (260 points)
This claim is false. Many credible health organizations such as the CDC, WHO, Global Health Council and American Public Health Organization have released statements and statistics proving face masks are effective against the spread of viruses. According to the CDC, "Wearing a mask can help lower the risk of respiratory virus transmission. When worn by a person with an infection, masks reduce the spread of the virus to others. Masks can also protect wearers from breathing in infectious particles from people around them". Additionally, the Mayo Clinic writes, "when used with measures such as getting vaccinated, hand washing and physical distancing, wearing a face mask slows how quickly the virus that causes COVID-19 spreads".
False
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ago by Newbie (300 points)

Many studies prove that wearing masks are effective in suppressing the spread virus and illness transmission. When a person is talking, coughing or breathing, droplet and droplet nuclei can fly out of their mouth, this are one example of things that spread illnesses, for example COVID-19. Evidence shows that wearing masks helps limit exposure to these harmful droplets. It's also important to factor in what kind of mask you chose to wear and how you wear it, these both have impacts on the effectiveness of the mask.

https://www.pnas.org/doi/full/10.1073/pnas.2014564118#sec-11

https://www.cdc.gov/respiratory-viruses/prevention/masks.html

https://pmc.ncbi.nlm.nih.gov/articles/PMC7883189/

False
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ago by Newbie (300 points)

This claim is definitely false because it's been proven that masks have been affective by credible and reliable sources such as NIH, Harvard medicine etc. Yes, there are different types of masks and they each have their own amount of protection but they are specifically made for prevention of spreading disease 

https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-mask/art-20485449

False

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