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This is my account on Twitter - twitter.com/nauscopio - verified by Twittodon.com

maty boosted

RT @CleanAirClassrm@twitter.com

4/9

UK CRT DIY has been tested by measuring airflow
& can compared to commercial #HEPA brands with particle reduction tests @plasticfull@twitter.com @JbcLiftec@twitter.com

#CleanAirDeliveryRate m3/hour=how quickly can air be cleaned for a given particle size

🟩= CADR FERA & acceptable noise level

🐦🔗: twitter.com/CleanAirClassrm/st

maty boosted

RT @LibDemPatrick@twitter.com

👀 Look what just dropped onto my desk 👉 The latest Clean Air Delivery Rate (CADR) data for the UK-version of the #CorsiRosenthalBox (using a 14” Vent Axia fan). Just like others have found, this DIY filter compares very favourably against a range of HEPA filters #cleanairnow

🐦🔗: twitter.com/LibDemPatrick/stat

Alex 💨CR Boxes Everywhere @CRBoxKits

[ FOG TEST!!

Got this fog machine for $18 on Black Friday. You can see how the Fandelier sucks up the aerosols and clears the air very quickly; any of these fog pulses would leave the room foggy a long time without the filters. ]

twitter.com/CRBoxKits/status/1

maty boosted

Update on the growth of #mastodon in the last months. After the big wave of new accounts on Nov 17th, the growth seems steady for the last week at around 50k new accounts/users per day. Only in the last couple of weeks, 1M new accounts were added. At this rhythm, #mastodon will get 1.5M accounts/users per month.

maty boosted

RT @psvbluemts@twitter.com

Cardiologist Rae Duncan's compelling 12 minute summary of why we must not give up on reducing COVID transmission (extracted from a long discussion, see my next tweet). Her conclusion: "I hope to God I'm wrong" youtu.be/XKE1QcM7WUI

🐦🔗: twitter.com/psvbluemts/status/

maty boosted

COVID-19: How good is a Novavax booster and with previous mRNA doses?

This long thread explores what kind of immune response a Novavax booster is giving people as a primary series and after 2 or 3 mRNA doses in recent studies. It will also explain how Novavax is different and what some of the benefits seem to be. 🧵 1/

[ One other thing: the great majority of those admitted to hospital for RSV are young children, but this season is particularly unusual for the relatively high number of hospital admissions in over-45s.

These four images are (in order): 45-64-year-olds, 65-74, 75-84 and 85+. ]

twitter.com/BarclayBenedict/st

[ I've done a quick graph to show what's happening with Danish hospital admissions for RSV.

Each bar is a cohort, defined by the RSV season when they were 0-12 months old. So the left-hand bar shows hospital admissions for <1s in 2015/16 (blue), 1-2s in 16/17 (orange), etc. ]

twitter.com/BarclayBenedict/st

[ Ninguna de las ocho vacunas contra la covid aprobadas en China utiliza la tecnología de ARN mensajero en que se basan las vacunas de Pfizer-BioNTech y de Moderna más utilizadas en los países occidentales. ]

[ Con tres dosis, estas diferencias desaparecen. Ambas vacunas tienen una eficacia superior al 97% para prevenir complicaciones graves de la covid en todos los grupos de edad...

Pero solo el 40% de la población mayor de 80 años de China ha sido vacunada con tres dosis. ]

[ Los mayores de 60 años representan el 18,4% de la población y un total de 266 millones de personas. De ellos, 29 millones son mayores de 80.

[ Pero China solo cuenta con 3,6 camas de uci por cada 100.000 habitantes, según los datos de World Population Review.

Por comparación, España tiene 9,7 y Estados Unidos, 34,7. ]

[ China también tiene menos médicos: 2,0 por cada mil habitantes, mientras que España tiene 4,0 y la media de la Unión Europea se sitúa en 4,9, según las estadísticas del Banco Mundial. ]

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twitter.com/Miguel_Leiva_/stat

[ Las vacunas tuvieron utilidad. En la gráfica se ve que antes de la vacunación masiva la tasa de hosp. estaba entre el 5 y el 10%. Tras la vacunación la tasa se situó entre el 0,7% y el 2,5% (la región delimitada por flechas, la 6ª ola). Ahora es útil para mayores pero menos. ]

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