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.”

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More from @DrEricDing

12 Jan
BROKEN—trust in the @CDCgov@CDCDirector says CDC will not change recommendations to wear higher quality N95/KN95 masks. ➡️What an awful day in the pandemic & the🌎…I have more choice statements but suffice to say I am angry & disappointed beyond words.😢
thehill.com/policy/healthc… Image
3) Furthermore, @CDCDirector has the stone cold ignorant gall to claim the recent surge in US record hospitalizations is perhaps driven by Delta instead of Omicron. Like— how insane do you have to be to think that?!?
Read 6 tweets
12 Jan
💡NEW—Vaccine efficacy 91% of 2 Pfizer shots protecting against pediatric multi system inflammatory syndrome (MIS-C) in teens age 12-18. 📌Huge—this was a major severe outcome of #COVID19 in kids before. This is a reminder kids need 2 shots. #GetVaccinated cdc.gov/mmwr/volumes/7… ImageImage
2) What is already known about this topic?
Vaccine effectiveness against multisystem inflammatory syndrome in children (MIS-C), which can occur 2–6 weeks after SARS-CoV-2 infection, has remained uncharacterized.
3) What is added by this report?
Estimated effectiveness of 2 doses of Pfizer-BioNTech vaccine against MIS-C was 91% (95% CI = 78%–97%). Among critically ill MIS-C case-patients requiring life support, all were unvaccinated.
Read 4 tweets
11 Jan
⚠️EXCESS DEATHS in South Africa🇿🇦 are running at 130% of normal in the final 4 weeks of 2021–which translates to >10,000 excess deaths in just 4 weeks. ➡️Excess weekly deaths currently running ~3000 excess per week—SA has had large under-diagnosis like in previous waves. #Omicron ImageImage
2) to be clear on the English - “130% of normal” means 30% excess. But this is still 3000 excess per week for a population of ~60 million, which is 18% the size of the US. Not going to convert it but it’s not small. Can we please stop with the “mild”???
3) Australia also seeing surge in severe outcomes. This is not as mild as we think it will be.
Read 9 tweets
11 Jan
Tons of students march out in protest against #Omicron. Brooklyn Tech is the largest high school in the US 🇺🇸 - with ~6000 students in this school alone! Maybe the kids & teachers together are trying tell the at-home / studio-isolated TV pundits something about #COVID19 risk…
2) This high school is 7 floors full of students! There is “absolutely no distancing” among students in crowded classrooms and halls of this ~6000 person high school.
3) meanwhile, 65,000 students and teachers just test #COVID19 positive in LA school district in the new year. 15-16%! abc7.com/los-angeles-sc…
Read 4 tweets
11 Jan
Surging in NSW (Sydney region) Australia 🇦🇺:

⬆️ Cases of #COVID19
⬆️ Hospitalizations
⬆️ ICU
⬆️ On mechanical ventilators

Uncoupled? Not exactly. #Omicron Image
2) Surging #COVID19 hospitalizations and ICUs in the US as well… hospitalizations at record high in the Us now too. Image
3) What about #COVID19 deaths in a state like Illinois? This does NOT look “de-coupled” in any way. And similar parallelism between hospitalizations and deaths this wave versus summer wave. Image
Read 4 tweets
11 Jan
NEW—Dutch🇳🇱 govt is advising *medical grade masks* be worn in busy outdoor spaces & **at all times in indoor public areas** where different households mingle—in all places where social distancing is impossible, such as shopping, markets & demonstrations.
dutchnews.nl/news/2022/01/w…
2) masks should be of type 2 medical standard rather than cloth, because these ‘offer slightly better protection against the emission of virus particles’ than non-medical masks and also offer more protection to the wearer, the OMT said.
3) Type 2 medical masks include the light blue pleated masks widely available in shops and pharmacies. Vulnerable people, however, should use a thicker FFP2 (ie KN95) medical mask when possible.
Read 5 tweets

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