RT @TG85160305: If wearing a mask is so critical to ending the holocough, why are they not mandating what material the mask must be made of…
If wearing a mask is so critical to ending the holocough, why are they not mandating what material the mask must be made of? Per this study, cotton masks have an efficiency of 9%, and that’s only if they are tightly fitted. I smell BS. https://t.co/tKWw
@JujuliaGrace Here Dr Julia. Help your Son understand this. I appreciate your rhetoric and your son's enthusiasm. but neither is founded in reality. https://t.co/5MNbdDZXrj
@ppyrek1 @Brandon_S_Chase @Strawberry_Tet ..the air is contaminated in an enclosed environment and it becomes prudent to wear N95's or better. Meanwhile, all masks reduce contaminants emitted into the environment & have varying efficacy depending on f
RT @Sumire_Neko: 布マスクって何の布よっていう情報が圧倒的に足りない状態で常に劣るって言われてもね 化繊でN95と勝負できるくらいの数値を出してるっていう報告もある Aerosol Filtration Efficiency https://t.co/gZIb…
布マスクって何の布よっていう情報が圧倒的に足りない状態で常に劣るって言われてもね 化繊でN95と勝負できるくらいの数値を出してるっていう報告もある Aerosol Filtration Efficiency https://t.co/gZIbsRgj78 マスク不足はなぜ起きた? データで見る世界のマスク事情 https://t.co/ZOZ0jieqhr
#COVID19 #Masques Je pose ça là... pour y réfléchir ultérieurement. Efficacité des masques en population générale https://t.co/Gae3e2OoQ4 https://t.co/GoxavZ1pKF https://t.co/sRNBqRH7uj Sur les masques en coton https://t.co/bltxMlnY5m Réutilisation NK95
@DanielM91568186 @LBC This may help. The size of a Covid virus seems to vary wherever I look, but it is somewhere between 50nm and 150nm. https://t.co/RwlEgcyOrJ
@Prof_Marciniak You may want to pass on this study to Sir Desmond Swayne. It is not just physical filtration, but electrostatic filtration too. Although you might need to translate these for him Combining 2 fabrics, with good fit, will make fabric mask
Science: Surprise. Your thin fabric masks really aren't that effective. https://t.co/IgqzmtJvCv
@0bj3ctivity @Dr2NisreenAlwan Well fitting fabric masks + physical distancing help. In addition to avoiding the 3Cs. You don't necessarily need N95 etc, except you regularly make very close contacts with clients, as doctors nurses, & therapists do h
@albertjackchat @EyjolfurGardars @jordanbpeterson Here's another study that differentiates downstream and upstream though it came after covid so take a teaspoon of salt if you like https://t.co/y1fuG7poji
@auajsrmzs And there's this: https://t.co/eBM7bczFS4
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
@PPEtoheros @kprather88 @DrEricDing @drsanjaygupta @yaneerbaryam @DorisGrinspun @endCOVID19 @dgurdasani1 @DrLaPook @mtosterholm @imgrund @masknerd @sri_srikrishna @RealSexyCyborg I can show you data that a multilayer cloth mask that fits correctly will out
@rafaelluissouza @deniseassis3 @BolsonaroSP concordo com você, não tem motivo para usar as de pano, menos seguras, se temos cirúrgicas e PFF2 ; ) alguns dos estudos aqui: https://t.co/k4N1MS3Sdr https://t.co/XpS1excSIy
https://t.co/JxsiOiG5zV The ratios of the mask gaps and the virus doesn’t matter; it’s not the reason we’re using the fabric masks. The 3M N95 masks were made to protect against SARS, and they are effective against Covid and variants. Use 3M N95 if you’re
@priyology Especially when there are papers out there demonstrating that masks with combos of fabric (like cotton + silk, cotton + chiffon, cotton + flannel) are on par with N95s & better than surgical masks at blocking aerosols! Konda et al. 2020! htt
RT @yeahnaa333: Here is a study showing the efficacy of masks with particle sizes: https://t.co/v072zhjFbp Obviously studies like this a…
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
More semantic games.
RT @Emily_Burns_V: 21/ Even the mechanistic studies show that with a 1% gap (far less than is present in an non-fit-tested N-95, and almost…
RT @unvarnishedvoid: @mattp913 @justin_hart they did in fact many cultures wore masks when they would get sick. and hospital staff have alw…
@mattp913 @justin_hart they did in fact many cultures wore masks when they would get sick. and hospital staff have always worn them to stop things. it just wasnt popular to do so much in the US. of course some things work better then others hope this he
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
RT @federicolois: @johnnutt21 @heytrub @ifihadastick After 3.2% of GAP the mask is useless. So no preferably, MUST fit-tested. I dont know…
@johnnutt21 @heytrub @ifihadastick After 3.2% of GAP the mask is useless. So no preferably, MUST fit-tested. I dont know anyone that uses them like that. Also, you leave your home, and come back without touching it (doesn't happen either)... so again, it d
@ChefUstinious @SaffronOlive Or this one https://t.co/jBU3CgTwB8 or this one https://t.co/U967lxWrEb or this one https://t.co/28KDWUTrfZ Weird how easy that was to find. It's almost like you're just a fucking idiot
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
@mamasaurusMeg Item 1: Cloth masks studies demonstrate a >50% efficiency in protecting the wearer from respiratory droplets-your "theories" appear to assume that SARS-CoV-2 spreads "naked", not so, it can only remain viable immersed in respiratory dro
@BubbaBonafide @ORhunter Viruses are not a gas. They travel in aerosols. Cloth filters aerosols. https://t.co/SF2R4OLpc4 https://t.co/byozK9CZ6t
@JoanieOC @Evsnrm @marybethpf Why are you lying Joan? https://t.co/JJZier1K3N
@manpreet1 If one could get the filtration efficiency from some cloth mask combos in this article: https://t.co/xW6pmsDjyd, I don't see why a surgical mask is better.
@jon75745383 @Remo10485248 @robbystarbuck …going to be indoors in a crowded public space. Btw, where are you finding masks for 2 cents?!😉….https://t.co/h3bGMP8f35
@chxamaxhc @disclosetv Here, read this study & then give me your takeaway. You might want to leave your mask on while reading it: https://t.co/bVaSjuWSyE
@CucoDCuba @p_aydelette369 @Grgldrbck @LaSeletzky The main purpose of masks is to protect others from potentially infectious droplets and aerosolized particles emitted when you sneeze, cough, talk. Any mask helps protect others. https://t.co/jUtQkRxnHk
@TheDanielMarch @catfactsVEVO @SAnatolios @AngryCardio Why are you lying? https://t.co/JJZier1K3N
@SAnatolios @catfactsVEVO @AngryCardio Why are you lying? https://t.co/JJZier1K3N
@DiscordiaI @rhett_orackle @reddoggfogg @HouseGOP https://t.co/5iZ1eQkVpV https://t.co/efOwdtXIfK So, other than the N-95 which not everyone has, they're helping what specifically? By the way, use actual credible sources.
@HairBiden @PrettyGoodDude2 @Lancegooden Another study - this one comparing types of fabric and their efficacy for reducing aerosol transmission. https://t.co/fd0FAOT6Ut
@Eipurs @MaraKrontale Taisnība. Paldies par labojumu. Tāpēc arī maskām iesaka vismaz 2 blīvus slāņus. Neatkarīgi no tā - par visparastākajām sejas maskām ir vairākos desmitos procentu mērāms efekts uz Covid 29 izplatīšanu. https://t.co/8trNaooBSQ
@Casey4Governor @SteveDeaceShow The seatbelt analogy is a good one. Not all seatbelts are made equally—just like masks! The lapbelts of the ‘50s vs. today’s are no comparison, like n95 vs non-n95 (https://t.co/gry1EiXuIr). Plus competing studies say mask m
@milanoIX The N95 is the hallmark of masks. Yet it is no longer effective with 1% gap (hence the fit testing) as this paper showed. And I do wear a mask when forced to. I just know that the science doesn’t justify it. But it makes people like you confortab
here: https://t.co/hV2a8UGJNe
RT @Shige327: @amneris84 American Chemical Sociatyは、布系を子細に分析してます。 綿2層でも、一定要件の元、繊維が詰まっていれば、N95に迫ることはできる。 その綿とシルクのハイブリッドもなかなかだと。 一定要件は「帯電」 いわ…
RT @Shige327: @BB45_Colorado 敢えて、布で分析してるような情報もあります。 いずれにせよ、キーは「帯電」ですね。 布の素材そのものではなく、いかに帯電し、捕捉するか。 https://t.co/uwAaZ6Jcuy
RT @Shige327: @BB45_Colorado 敢えて、布で分析してるような情報もあります。 いずれにせよ、キーは「帯電」ですね。 布の素材そのものではなく、いかに帯電し、捕捉するか。 https://t.co/uwAaZ6Jcuy
@MikeRice74 @indri_4biking @LabRatLori @redsteeze @atrupar 2) All types of materials are shown to be at least 50% effective in filtering particle sizes from 10 nanometer to 6 micrometer, much smaller than the size of particle likely to be carrying infectio
@mamasaurusMeg @benshapiro @Jabaluck And studies have shown “that cotton, natural silk, and chiffon can provide good protection, typically above 50% in the entire 10 nm to 6.0 μm range,” which is the range of large droplets to small aerosolized droplets.
@puddnhead2 @marinavance This was good too: https://t.co/H6z9JDsAXo
@TheCTSmith Ok so we have now established that you cannot read at college level. They used N95 masks. However The American Chemical Society has done a lot of testing and has found that two layer masks with different materials are very effective. This is an
@washingtonpost Requires a HEPA filter. limited knowledge available on the performance of various commonly available fabrics used in cloth masks. Importantly, there is a need to evaluate filtration efficiencies as a function of aerosol particulate sizes in
@macroliter I mean, 5–80% (depending on the tightness of the threads)—it could be worse 🤷♂️ https://t.co/X6GB0DFttR https://t.co/pvzAqfbQ3I
@AdamfromAB @PepperbottomL @NateSilver538 Your tribalism is showing. The thing with journal articles is, those little blue numbers? You need to click them and read the citations. They're not just sentence numbers like in the bible. https://t.co/C9F
@AdamfromAB @NateSilver538 Study using Covid infection data: https://t.co/4jsspziAVU Study based on laboratory model: https://t.co/C9FzLtazcN You were saying, about a "not a tiny speck"?
@pb61 @Triciabee13 @RoboticGladiat1 @zoxqify @HoyerEagle @APFactCheck Mask deniers are so weird. Its not just about that. Vaccines, social distancing, behaviours, variants play a huge issue. Here's more data https://t.co/mV3UrKl8Id https://t.co/EFPd56shqF
@MsMol69 @BeccaSorenson @Courtneyscoffs The above studies are on surgical ones, but cloth masks are also effective for reducing aerosol flow: https://t.co/IcJzrvG28T https://t.co/IcJzrvG28T https://t.co/Johd7OIENQ See also Asadi et al. 2020; Davies et al.
@Blaise424 @Mattryan0505 @ianmSC One of many studies about the use of non-N95 masks. https://t.co/jUtQkRxnHk
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
@factorbust @elscottio60 @NBCNews “We find that cotton, natural silk, and chiffon can provide good protection, typically above 50% in the entire 10 nm to 6.0 μm range, provided they have a tight weave.” https://t.co/ziaMGAO68Y
@rachbarnhart Irresponsible from the OP. They assume all cloth masks, from bandanas to multilayer well fitted, are the same. They aren't. One would assume they know this. https://t.co/yJFhiyna9D
@Laura_Revgal @globalwinnipeg In point of fact, there is strong evidence that surgical masks & certain cotton masks are comparable to N95's. https://t.co/qD2VoOWqUX https://t.co/jreGi1rwRi
@kerpen I would love to see this done with silk + cotton. I make them w 2 layers preshrunk cotton, with 1 layer silk for electrostatic filtration (for smaller particles). Also, unless masks are fit with gaskets, or taped on, their will be some gaps in all
RT @kr3at: Clothe masks, by design, offer subpar filtration to N95 mask and it's worse when they don't properly fit snug to the face. Same…
@FredCavanaugh1 @ASlavitt Again, counterpoint. If everyone wore high-quality face masks then spread would be reduced 50% (which is huge in this case) (That is the next line) Though here is an ACS study that shows that cloth actually works rather well in re
RT @Emily_Burns_V: 7/ This is why N-95’s are fit-tested, b/c they offer virtually NO protection with even a 1% gap—as noted in this paper…
@GL_Vega_System @R_H_Ebright @districtai Smh. 🤦🏾♂️ Masks do help. Reusable nanofiber masks are better. https://t.co/5QJ8fiv04A https://t.co/0ifvyORZfF
@Laura_Revgal @ctvwinnipeg If you don't look in the research literature, you'll never find any research. N95 masks filter particles 0.3 microns (300 nm) in size. Konda et al. found that surgical masks and certain cotton masks are as good, or very nearly a