Discover and read the best of Twitter Threads about #KN95

Most recents (20)

Repeating warnings from @H_S_E and @NIOSH about earloops having a low fit test pass rate is unpopular, but what does the published literature say about earloop KN95s? #KN95
One study found that “KN95 masks failed fit testing in all (82 out of 82, 100%) healthcare workers evaluated”. openres.ersjournals.com/content/6/4/00…
Another study of #KF95 mаsks found that: “A result of ‘failed’ was recorded for 39 of 42 fit test episodes”. ijic.info/article/downlo… ImageImage
Read 9 tweets
#covidlong : le sénateur d'Oklahoma assume que sa mise en retrait de la vie politique est liée aux #séquelles de son infection #sarscov2. D'autres sont concernés mais préfèrent garder le silence.
Assumer sa #vulnérabilité n'a rien de honteux et il serait temps aussi que plus
1/
que temps que les personnes 'en vue' concernées osent aussi le dire pour commencer à lever le voile.
Cela contribue du travail de #prévention car
🔹 être vacciné
🔹et/ou avoir déjà été contaminé mais sans symptôme ou avec des symptômes modérés et sans séquemld
ne garantissent
2/
absolument qu'il en sera de même lors des infections suivantes.
1️⃣ La vaccination ↘️ de 15 % le risque de covidlong ( et tw. suivants).
2️⃣ Le risque de séquelles ↗️ à chaque réinfection
(theconversation.com/reinfection-wi…)
Par conséquent et en l'absence de mise
3/
Read 8 tweets
*A thread on why the trouble in #China is real*

#Singapore is one of the best test cases to judge the sentiments in #China. Now I gather that many Mainland Chinese families living in 🇸🇬are shipping essential medicines to their loved ones in 🇨🇳owing to a lack of stocks.
#COVID
Reports show that anxious relatives in #Singapore are waiting for hours together in long queues to procure medicines and then courier them to addresses in #China.

#COVID
Seeing this, Singapore's Ministry of Health has advised the public to buy medicines for their own use only.

The major drugs being shipped from SG to 🇨🇳 include the painkiller Panadol & the traditional Chinese medicine #LianhuaQingwen.

Now, there is a story about LianhuaQingwen!
Read 11 tweets
This is what concerns me. Bear with me in this thread. Prior to #omicron sub variants, I could reassure patients & tell them they probably had a few months of protection. Not anymore. Cause if you had omicron, you are not likely protected against the newer BA.4 & BA.5 strains.
Hence your risk of infection & then reinfection is now very high. Why? Cause these #variants are escaping the #vaccines.
So for those living their lives & not trying to avoid the virus, your risk of #longcovid is very high.
I am especially pleading to the young population, the last thing you want is suffer from #brainfog & #shortnessofbreath for the rest of your lives. We don’t have a cure at this point for #longhaulers. Your goal should be to AVOID this virus but if not, avoid getting reinfected!
Read 6 tweets
🧵 If the use of airborne #PPE & improving air quality in healthcare settings are to be ‘optional’ & ‘a matter of personal choice’, then we should give strong consideration to applying the same rule to the following #MedTwitter #MedEd #TeamGP 1/n
1. Handwashing before, between & after patients (& audits of it)
2. Plastic gloves & aprons
3. ‘Bare below the elbows’
4. Jewellery
5. Hair above the collar
6. Mandatory training
2/n
If you are recoiling in horror because
1. ‘Airborne transmission of COVID is controversial’
2. ‘The above are established evidence-based practices’
3. ‘COVID is mild, we can’t avoid it, we have to learn to live with it, we’re all vaccinated now anyway’,
then;
3/n
Read 7 tweets
1/🧵 Somebody had to die to get me a bed…

Voice on to listen: 🎧

My patient, now a #LongCOVID survivor & mentor to young Black boys told me…

“I was getting so sick w #COVID, & there was not a bed. They called everywhere & suddenly that night they said the VA got a bed.
2/ So somebody had to die that day, you know, so I’m just saying, wow, you know. But I told my wife, when I left here, I’m in God’s hands, you know, and I don’t know why I said it, but there was nothing she could do for me. (Pics w perm)
3/ So many things fell into place, it’s just not a coincidence. I thank God every day. I’m a different kind of guy, you know. I had to change a lot of my life. I got involved w young men to try to change the trajectory of their lives. That changed me & became therapy for me.
Read 6 tweets
CDC came out with another incremental update on #mask & #respirator guidance today: cdc.gov/coronavirus/20…

Clarifies N95s aren't in short supply & can be worn again!

It's still not perfect, but it feels like we're at least inching in the right direction. Some thoughts via a🧵.
2/ New statement that most respirators (i.e. #N95s) "are disposable and should be discarded WHEN they are dirty, damaged, or difficult to breathe through."

So you CAN #ReuseN95s‼️
See, e.g.:

That's *much* better guidance than to toss after a single use!
3/ Also clearly states that:
"Loosely woven cloth products provide the least protection ... and well-fitting NIOSH-approved respirators (including #N95s) offer the highest level of protection."

YES!!
Read 15 tweets
BREAKING—@CDCgov is now considering updating its mask guidance to recommend that people opt for #N95 or #KN95 masks worn by health-care personnel, if they can do so “consistently” (e.g. feel comfortable wearing all day)—c’mon, @CDCDirector—go all the way!
washingtonpost.com/health/2022/01…
2) “The updated guidance is expected to say that the best mask is the one that is worn consistently and correctly. The CDC guidance is expected to say that if people can “tolerate wearing a KN95 or N95 mask all day, you should.”
3) “CDC Director Rochelle Walensky has previously declined to officially endorse Americans wearing N95s regularly, rather than a typical fabric mask.”
Read 3 tweets
A rash of mask tweets 🧵.

On elastomeric masks, N95s, KN95s, FFP2s, KF94s, care and fit, sourcing, testing, real-world examples & tips, warnings, children's masks, cute alternatives - and why you might want to upgrade now.

#facemask #facemasks #Masks #COVIDisAirborne Image
Why you might want to strengthen your first and most important line of defense.

Bear in mind the type of people you are sharing your supermarket air with.

#facemask #facemasks #Mask #Masks #MaskUp #COVIDisAirborne ImageImageImageImage
One of the best primers on new mask technology in one short interview.

cbsnews.com/video/some-exp…

Teases out technical classifications of 'hi-fi' (high-filtration) masks such as N95s, KN95s or KF94s - and why cloth & surgical masks are not an option now.

Think '2022', not '1918'. Image
Read 66 tweets
Wondering about the different types of #Masks out there? What exactly is a #BetterMask, anyway? Check out this 🧵 for more details w/ our helpful visual guides here!
First up, NIOSH #N95 Masks
-Highest level of protection for disposable #Masks
-@NIOSH_NPPTL approved
-Head Straps Graphic Credit, created & d...
@NIOSH_NPPTL @NIOSH #KF94 / #KN95 #Masks:
-KN95s Manuf. to Chinese GB2626-2019 standard
-KF94s Manuf. to Korean KMOEL 2017-64 standard
-@CDCgov warns: "About 60% of KN95 respirators in the US are counterfeit (fake) & DO NOT meet @NIOSH requirements."
-We verify all KN95s & KF94s we sell are genuine Graphic Credit, created & d...
If you are looking for official US government resources (incl. advice for improving fit, more on Int’l standards, other #masks like #N99, #N100, etc.), see the @CDCgov “Types of Masks @ Respirators” landing page here:
cdc.gov/coronavirus/20… Image
Read 6 tweets
@prof_nch (1/?) Profs thinking it’s ok to exercise privilege & unmask to teach in indoor classroom of students who must attend or possibly fail class—either have COMPLETELY NO understanding that 1)#aerosol is main transmission route for #COVID19; 2) how aerosol transmission actually works;
@prof_nch (2/?) 3) #Delta is hypertransmissible with rate of 1 infecting on avg 5-7 more vs earlier strains 2-3 more; 4) most infected don’t know they’re infected when they are at their most infectious because symptoms only show after peak infectiousness—if ppl not asymptomatic; …
@prof_nch (3/?) most have no real functional understanding of indoor air quality in own classrooms & rely solely on air system filtration—don’t monitor it with CO2 meters, keep windows/doors open; 4) don’t think about minimal acceptable air quality vs ‘good/excellent’ by #ASHRAE standard;
Read 12 tweets
Lots of questions about best #masks for kids at school. Practical answer: highest quality, tightest fit they will *wear*

No one answer, resources to consider as you look; short thread. #MaskUp #KidsMasks #MasksInSchools

(1/x) This by @CleanAirCrewOrg:
cleanaircrew.org/kids-masks/
2/ Recommendations, with accompanying video + data on #KidsMasks by @masknerd.

Data: drive.google.com/drive/folders/…
Thread w/ links:
Video:
3/ Article by @zoermalin summarizing children's #KN95 masks:
nbcnews.com/shopping/welln…
Read 9 tweets
A 🧵 to counter some confusing messages about masks & wildfire smoke (1/x)

1. High-quality masks (i.e. #N95) best for both viral aerosol + #wildfire smoke
2. N95s readily available & should be used for both
3. But other masks can provide non-zero benefit
denverpost.com/2021/08/10/wil…
2/ The #CDC and #EPA both strongly recommend upgraded masks (respirators) like #N95 or #KN95 to protect against wildfire smoke. I totally agree (unless using something even better like N99 or elastomeric), b/c these filter the smallest particles very well.
cdc.gov/disasters/covi…
3/ But the #CDC also says not to use N95s, b/c they "should be reserved for health care workers." I totally disagree, as do countless others, b/c supply chain problems in 2020 have recovered in the US.

Follow @projectn95 & see resources to easily buy.
projectn95.org
Read 15 tweets
#GetVaccinated vs. #COVID. Vaccines stave off hospitalization, death and even worse for some people, sexual performance. Let's discuss some of the math, pros and cons, and adverse effects and that sexual performance thing. THREAD: texastribune.org/2021/07/21/cor…
2/ Most who are dying or are being hospitalized are unvaccinated. The vaccines don't give 100% immunity, but they are free, easy, painless and provide good protection. They also greatly decrease the impact of COVID if you do get it.
apnews.com/article/corona…
3/ COVID vaccines don't magnetize you and are too small to insert a tracker. Regardless, the government can already track you through your phone, computer, email, credit cards, social media, etc., etc., etc. Fully vaccinated folks are now <1% of deaths. cnet.com/health/99-of-c…
Read 23 tweets
Ich habe mir die Mühe gemacht und mal die Fakten zum #Maskenskandal rund um nicht verkehrsfähige Masken um #CDU-Bundesgesundheitsminister Jens #Spahn zusammengetragen.

Leider komme ich in diesem #Thread nicht ohne #Medienkritik aus. Dies schmerzt besonders. /TN
Die Medien und der Maskenskandal

Quelle:
spiegel.de/politik/deutsc…
Read 13 tweets
1/ I tweeted earlier on the NIOSH report testing foreign masks. More warning bells about #KN95 masks. Many fakes. @AbraarKaran @linseymarr
@zeynep @CorsIAQ
2/ "NIOSH has been informed that many legitimate manufacturers in China have been counterfeited. In such cases, NIOSH has no way of verifying which products are counterfeit and which are authentic.
3/ "While the manufacturer listed in the table is shown as the manufacturer of the product evaluated, NIOSH has been informed that some of these are actually counterfeit products.
Read 6 tweets
1/ On February 2, 2021 the National Personal Protective Technology Laboratory (NPPTL) published assessments for many foreign made masks, including KN95s. Some minimum #KN95 filtration results were < 26%! But others had >95%. @AbraarKaran @linseymarr @zeynep @CorsIAQ
2/ Before we get to the results at tweet 7, you should read the introduction. Excerpts: @nataliexdean

"[T]en respirators were submitted for evaluation. The samples were tested using a modified version of NIOSH Standard Test Procedure...
3/ "Only particulate filter efficiency was assessed. The results of these tests are for the sample tested and may or may not be representative of a larger lot or population of similar respirators.
Read 23 tweets
1/ In context of extra precautions against new COVID variants, some new questions pop up about #masks.

Article by @cwarzel @zeynep asks/answers some good questions to start. Other thoughts in a 🧵, e.g. N95s, fit (Tw7+ ⬇️), when to replace (Tw25 ⬇️), etc.
nytimes.com/2021/01/29/opi…
2/ Countless recent articles w/ interviews from relevant experts imploring people to still take mask-wearing & overall airborne COVID health seriously.

One of many, here by @skbaer w/ broad contribution. (Tw33 below has link to a compilation of more).
buzzfeednews.com/article/skbaer…
3/ Many good arguments recently towards motivating broader use of #bettermasks, i.e. #N95s. So if not using already, consider.

See e.g. this editorial by @j_g_allen: washingtonpost.com/opinions/2021/…

Or this opinion-piece by a group of excellent scientists:
Read 33 tweets
This is why #blockchain matters. #tricol #KN95 ImageImageImage
#blockchain technology that validates the authenticity of products, regardless of country of origin, is Fourth Industrial Revolution stuff. Mass adoption, please. #4IR
Read 4 tweets

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