Study: Cloth Masks Don’t Do D**k

NCBI-

Abstract

Objective

The aim of this study was to compare the efficacy of cloth masks to medical masks in hospital healthcare workers (HCWs). The null hypothesis is that there is no difference between medical masks and cloth masks.

Setting

14 secondary-level/tertiary-level hospitals in Hanoi, Vietnam.

Participants

1607 hospital HCWs aged ≥18 years working full-time in selected high-risk wards.

Intervention

Hospital wards were randomised to: medical masks, cloth masks or a control group (usual practice, which included mask wearing). Participants used the mask on every shift for 4 consecutive weeks.

Main outcome measure

Clinical respiratory illness (CRI), influenza-like illness (ILI) and laboratory-confirmed respiratory virus infection.

Results

The rates of all infection outcomes were highest in the cloth mask arm, with the rate of ILI statistically significantly higher in the cloth mask arm (relative risk (RR)=13.00, 95% CI 1.69 to 100.07) compared with the medical mask arm. Cloth masks also had significantly higher rates of ILI compared with the control arm. An analysis by mask use showed ILI (RR=6.64, 95% CI 1.45 to 28.65) and laboratory-confirmed virus (RR=1.72, 95% CI 1.01 to 2.94) were significantly higher in the cloth masks group compared with the medical masks group. Penetration of cloth masks by particles was almost 97% and medical masks 44%.

Conclusions

This study is the first RCT of cloth masks, and the results caution against the use of cloth masks. This is an important finding to inform occupational health and safety. Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection. Further research is needed to inform the widespread use of cloth masks globally. However, as a precautionary measure, cloth masks should not be recommended for HCWs, particularly in high-risk situations, and guidelines need to be updated.

32 Comments on Study: Cloth Masks Don’t Do D**k

  1. The particulate is to dang small. If they were serious bandanas never would have been acceptable

    18
  2. 1] The only thing we got in the mail today was a flyer for a company offering “designer masks.”

    2) I have not had my hair cut in 2-1/2 months. Today I went to the place I usually go. Even though I checked in online, I was surprised when I got there to find that I could not enter without a mask. Somebody came out to finish my check in. She asked me if I had a mask. She could have said they had one if I did not, but she didn’t. I told her to forget it. Instead I booked an appointment somewhere else tomorrow. Yes, I will have to wear a mask there (although it will be a disposable paper mask which, from what I understand does not do squat against COVID-19) but at least I knew about it before I got there.

    This whole thing reminds me of how circus elephants are trained to remain I. Place just by having a rope tied to their leg even though the other end is not tied to anything but they have just been trained to act like a dummy by those who control them.

    23
  3. I have a sign on my door now that says “Face diapers and gloves must be removed before entering these premises.”

    27
  4. I stocked up on a few items I like to get at Costco before they implemented their Johnny-come-lately mask policy. Progtard corporate just want to make themselves FEEEEEEEEEEEL good now. I ain’t going in until they drop it. But when toilet paper gets low I’m sending in Mrs. Manderin. My main beef with masks is that I get claustrophobic in those things! I’d wear one with a BigFurHat/MJA graphic on it though. 🤣

    15
  5. cloth or paper, the only thing they accomplish is making you short of breath and letting you virtue-signal to everyone that you are a good little sheeple and properly propagandized to the point that fear keeps you in line.

    On the plus side you no longer have to put up with people who do not practice personal hygiene and have permanent death-breath, AND it helps keep all those fugly faces hidden that used to assault people’s eyes with no recourse other than to shudder and close them with a “goddamn that ho is UGLY” spoken while trying to keep your last meal down.

    15
  6. Censor that study. I saw a post online now the brainiacs selling these fancy hand made cloth masks are making them to include a vacuum machine filter after they decided the coffee filter wasn’t good enough. No science just liberal brain cells at work. I hope to see the day soon where these cloth selling mask lunatics go belly up.

    8
  7. The mask edicts are there to separate who has no sense of dignity from those who will refuse to humiliate themselves.

    On another note, I knew it was only a matter of time before the designer face masks hit the market.

    14
  8. We need to be putting plastic bags … uhh … masks on every lying maggot in Politics, Academia, and the Media.
    THEN the rope.

    izlamo delenda est …

    11
  9. I refuse to wear a mask.
    There have been numerous studies done since 2013 that show the ineffectiveness of cloth masks.
    Besides, I am not a sheep.

    12
  10. I am getting my haircut next week, what used to be an enjoyable experience, has now turned into I’m dreading it. They want me to wear a mask, oh the humanity! I have a feeling my hairstylist leans left, so I don’t talk politics with her. Yet somewhere in the back of my mind, I’m thinking this may not end well, as in my hair. Problem is, she’s great at what she does and that is hard to come by in this town. I guess I’ll have to suck it up buttercup.

    4
  11. “Searching but not finding understanding anywhere
    We’re lost in a masquerade”
    (George Benson)

    izlamo delenda est …

    2
  12. More risk to us great unwashed are the health care workers (heroes) shopping in their dirty scrubs after work.

    3
  13. This is part of my rant I sent out yesterday to friends.

    “The damn chemo shop phoned this morning and told DH that I had to wear a mask or a bandana on Tuesday, Wednesday, Thursday, and Friday when I come in for the flippin’ poison drip. They did not require one for my previous five sessions. WTF changed?

    Tuesday, my breathing will be restricted for 6 straight hours while getting a blood test, followed by seeing the NP, then 5 hours of drip. Wednesday, approximately 2 hours. Thursday, approximately 2 hours by the time I get out of there. Friday is shorter because I just go in for an injection to build my white blood cells. This will now be worse than hell week.

    Wearing anything over my face literally terrorizes me. When I was little and had my tonsils removed because the medical community deemed they weren’t essential, and God must have made a mistake when He made us with tonsils, the brilliant medical community said .we wouldn’t get sick any more, and we could eat all the popsicles we wanted. Wow, what a cherry.

    They used ether to put me out. I fought so hard, they had Daddy come in to hold me down along with a big nurse. PTSD from that point on. The only time I wear a face mask is for snorkeling or sanding wood. But I can control the wearing of it.

    Guess I have to make a bandana of some nice mosquito netting or lace that I have in my fabric stash or if I have time, a red one with TRUMP, 2020, 2024 and 2028 machine embroidered on it.”

    I received a lot of encouragement to fight their feel good, feel safe b.s. So I phoned the chemo shop and laid out the problem, telling them about ADA and asked them how they will care for me if I hyperventilate or become low in blood oxygen. They said, I won’t have to wear a mask, just a scarf while in the commons area. I still say bull shiite.

    Thank you Sir Hat. This thread is timely and helpful. I will go into the chemo shop Tuesday armed with the sentence “Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection.”

    5
  14. Yet, Virginia’s Governor Blackface, despite being a doctor who should know better, is considering mandating that masks be worn in public…

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