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Eric Feigl-Ding Profile picture
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9 Sep, 6 tweets, 3 min read
I knew in January, but nobody wanted to listen. Our leaders have blood on their hands. We have to go forward from here. #COVID19
2) "I wanted to always play it down. I still like playing it down because I don't want to create a panic."

"plenty of young people" are vulnerable -- this is also completely opposite what Trump and Scott Atlas keeps saying.
3) Trump also said all this in Feb / March very early.
4) For the record. He goddamn knew young people hurt by #COVID19 too.
5) Someone did try to warn in January: nymag.com/intelligencer/…
6) And to be fair, the @WHO did also warn the world on January 30th that the coronavirus is a PUBLIC HEALTH EMERGENCY OF INTERNATIONAL CONCERN (PHEIC). The alarms 🚨 from experts were loud and clear by early February. @DrTedros @mvankerkhove @DrMikeRyan who.int/news-room/deta…

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More from @DrEricDing

Eric Feigl-Ding Profile picture
11 Sep
How long do you need to self isolate if you test #COVID19 positive? It depend:

📌symptomatic: 10 days from symptom onset & extra 3 days w/o symptoms.

📌asymptomatic: 10 days from date of PCR (+)test

➡️ And if we had cheap antigen home testing, we’d have even faster isolation. Image
2) How do we know this? From this study. “SARS-CoV-2 appears to be most contagious around the time of symptom onset and infectivity rapidly decreases thereafter to near-zero after about 10 days in mild-moderately ill patients” academic.oup.com/cid/advance-ar… Image
3) However authors point out, “and 15 days in severely-critically ill and immunocompromised patients”.
Read 5 tweets
Eric Feigl-Ding Profile picture
10 Sep
COVID & BRAIN damage—half of patients report neurological symptoms, including headaches, confusion and delirium. A new study offers the first clear evidence that, in some people, the coronavirus invades brain cells. 🧵#COVID19 nytimes.com/2020/09/09/hea…
2) #SARSCoV2 seems to suck up all of the oxygen nearby, starving neighboring cells to death. It’s unclear how virus gets to the brain or how often it sets off this trail of destruction.
“If the brain does become infected, it could have a lethal consequence” says @VirusesImmunity.
3) “In the new study, Dr. Iwasaki and her colleagues documented brain infection in three ways: in brain tissue from a person who died of Covid-19, in a mouse model and in organoids — clusters of brain cells in a lab dish meant to mimic the brain’s three-dimensional structure.”
Read 7 tweets
Eric Feigl-Ding Profile picture
9 Sep
Not fake news— Jamain Stephens, a football player at California University of Pennsylvania has died at the age of 20 of #COVID19 complications.

➡️ This was why football was cancelled— in addition to myocarditis found in 15% of Big 10 players (not 30%)
profootballtalk.nbcsports.com/2020/09/09/col…
2) Earlier study: “cardiac M.R.I.s, an expensive and sparingly used tool, revealed an alarmingly high rate of myocarditis — heart inflammation that can lead to cardiac arrest with exertion — among college athletes who had recovered from the coronavirus...”
3) ...”The survey found myocarditis in close to 15% of athletes who had the virus, almost all of whom experienced mild or no symptoms, perhaps shedding more light on the uncertainties about the short- & long-term effects the virus may have on athletes.” nytimes.com/2020/08/23/spo…
Read 12 tweets
Eric Feigl-Ding Profile picture
8 Sep
AEROSOL TRANSMISSION—we need to keep hammering this. Key takeaways by @jljcolorado to avoid places:

📌if it's crowded

📌if cannot keep distance

📌if it's a long time

📌if low ventilation

📌if not wearing masks

📌if people singing, yelling or also breathing hard. #COVID19
2) Link to NPR audio. npr.org/2020/09/07/910…
3) Also, @linseymarr points out that the key danger of aerosols are that they can be “Wafted by air currents and travel around the room and be inhaled by other people” — and this 6 feet distance indoors is not enough protection. And stay afloat 20 min - 4 hours, says @kprather88.
Read 6 tweets
Eric Feigl-Ding Profile picture
7 Sep
I remember West Nile Virus hit the US, especially in NYC. I was a summer trainee working at @nycHealthy’s mosquito and bird sentinel surveillance program, when @DrTomFrieden was at the helm of NYCDOHMH. Chased down lots of mosquito 🦟 larvae in Queens, Brooklyn and Staten Island.
2) It was the best summer of my life. NYC health Dept gave us HRTP interns working in the field unmarked blue Ford Crown Victoria with NYC city officials plates—identical to many unmarked police cars. Bonus: We never got any parking tickets.
3) I was studying public health at @JohnsHopkins at the time. @JohnsHopkinsPHS sponsored part of my summer cost of living. We learned so much about field epidemiology—and how it is a shoe leather science, not some abstract computer modeling of infectious disease. Opened my eyes.
Read 4 tweets
Eric Feigl-Ding Profile picture
6 Sep
📍HUGE—a new study in New Orleans, Louisiana estimates there was a local infection fatality ratio (IFR) of 1.63%—much higher than thought for #COVID19. the IFR is among all infected, unlike CFR mortality in just those diagnosed. Antibody in May only 6.9%.🧵wwwnc.cdc.gov/eid/article/26…
2) seroprevalence was highest (9.8%) in Blacks, followed by multiracial (7.1%), Asians (5.5%), & Whites (4.5%). Hispanics had 5.3% seroprevalence.

➡️ The IFR was statistically similar for Whites (1.58%), Blacks (1.72%), and multiracials (1.40%) but lower for Asians (0.61%).
3) “No COVID-19–related data on Hispanic persons were collected by the Louisiana Department of Public Health during the study period.”

➡️ oh cmon @LADeptHealth!
Read 8 tweets

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