📌VARIANT update on #MuVariant vs #DeltaVariant— it seems Ecuador #SARSCoV2 sequencing shows Mu variant competing well versus the Delta variant—both displacing all others. Lambda and Iota almost extinct. ➡️#MuVariant hanging on & expanding next to Delta.🧵
nextstrain.org/ncov/gisaid/so…
2) That said, in Colombia, where #MuVariant first emerged & once dominant, #DeltaVariant is outpacing Mu. Interesting Ecuador they are more or less tied, but in Columbia Delta is winning. Maybe because immunity against Mu has been building longer in Colombia—while Delta is new.
3) What about #MuVariant vs #DeltaVariant in the US? It seems Delta is harder to control than Mu. Mu seems to rank second in R(t) — the R at current time — behind Delta. This is I guess good. But as Delta goes away, and we lift restrictions- will R(t) of Mu stay under 1? Dunno.
4) Delta is generally much more transmissible than Mu. But notice how they sometimes overlap in some instances— that maybe there some situations where Mu can still keep pace with Delta. Hmmmm. Have to be watchful of both.
5) again, we see other situations where #MuVariant definitely hangs on versus Delta, while Delta still faster that Mu most of the time in transmission.
6) Let’s look at this graph by @ftzo more carefully… it does seem that Mu is on par with some subtype strains of #DeltaVariant, while Mu lags slightly behind other Delta variant subtype strains.
7) I agree with @trvrb’s analysis (he’s a @macfound Genius Award winner!) that if Delta wasn’t here at the same time, #MuVariant would likely be dominating the globe right now. This also suggests more variants could arise to displace Delta too once it drops. #vaccinate please.
8) Vaccine efficacy across variants generally similar (though #DeltaVariant is a tad lower below in purple)— but main problem is the huge drops in Pfizer efficacy with time to just 47% against infection after 5 months—waning is why we need the booster. thelancet.com/journals/lance…
9) That said, the vaccine’s effectiveness at preventing #COVID19 hospitalizations held steady at close to 90% for as long as six months. What’s more, it maintained that power across vaccine recipients of all age groups. latimes.com/science/story/…

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More from @DrEricDing

12 Oct
This is what happens to your stock @ATT when the world learns you founded & bankrolled an extremist TV network that touts white nationalists, #COVID19 disinformation, and vaccine conspiracies— and now has pandemic blood 🩸 on their hands. #BoycottATT Image
2) Dump all your @ATT stock and don’t look back…
3) @ATT = white nationalism and vaccine disinformation. Pass it on.
Read 6 tweets
12 Oct
NEW—States with Democratic governors had ~8% lower spread of #COVID19 than Republican-led ones because of stricter public health measures, a new study — researchers underscoring how Covid-restrictions got“politicized”. forbes.com/sites/alisondu…
2) The peer-reviewed study, led by researchers at Binghamton University, determined a Public Health Protective Policy Index (PPI) of “stringency” of states’ public health policies and analyzed in relation to states’ Covid-19 transmission and the governors’ partisan affiliation.
3) The researchers looked at Covid-19 rates and policies between March and November 2020, as well as when specific states’ Covid-19 cases peaked.
Read 6 tweets
12 Oct
What a headline—Natural infection approach of “Herd immunity ‘group think’ led to ‘public health failure”…. that led a #COVID19 catastrophe that cost lives. 🧵

Bottomline: don’t do mass infection herd. It’s morally empty and “epidemiologically stupid”. amp.ft.com/content/20e6bf…
2) “British government and scientists made a fatalistic decision by backing a strategy that amounted to “herd immunity” in the early stages of the coronavirus pandemic, costing many thousands of lives in “one of the most important public health failures 🇬🇧 has ever experienced”
3) The joint report — agreed unanimously by 22 MPs from Conservative, Labour and Scottish National parties — is the first authoritative investigation of the UK response to the pandemic. committees.parliament.uk/publications/7…
Read 4 tweets
11 Oct
Terminate your @ATT service — which is the 90% funder of a TV network fueling white nationalism and vaccine hesitancy & vaccine conspiracy theories. AT&T has #COVID19 pandemic blood 🩸 on its hands.
P.s. Also reminder—lax security at @ATT once allowed racist hackers to steal @jack’s Twitter account years ago: forbes.com/sites/jeanbapt…
3) This is your baby network @ATT
Read 4 tweets
10 Oct
Watching—Doctors are warning of possible rise in cases of a debilitating nervous-system disorder—likely associated with #LongCovid. Postural orthostatic tachycardia syndrome (POTS) affect autonomic nervous system that controls body’s “automatic” functions.
ctvnews.ca/health/coronav…
2) POTS is a form of dysautonomia, an umbrella term for conditions that cause autonomic nervous system to malfunction. The autonomic nervous system controls the body’s “automatic” functions, such as heart rate, blood pressure, digestion, kidney function, and temperature control.
3) In cases of POTS, specifically, patients’ blood flow is affected and they can experience light-headedness, fainting, chest pains, shortness of breath, and an uncomfortable, rapid increase in heartbeat after standing up.
Read 8 tweets
10 Oct
This kid teaches you all how to properly wear a KN95* mask. #MaskUp #COVIDisAirborne

*You can now find better kids-sized KF94 masks online. See 🧵 below.
2) My son Sparty wrote the funny script all by himself, without any help or input from me. Swear to god.

➡️ We do really need premium masks for kids— South Korea 🇰🇷 makes lots of kids sized KF94 masks.
3) If an 8 year old knows that #COVIDisAirborne, then so should you.
Read 8 tweets

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