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DrEricDing's profile
Eric Feigl-Ding
Eric Feigl-Ding
Eric Feigl-Ding
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@DrEricDing

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Eric Feigl-DingVerified account

@DrEricDing

Epidemiologist & health economist. Senior Fellow @FAScientists. Former 16 years @Harvard. @JohnsHopkins alum. COVID updates since Jan '20: http://nym.ag/3olszuo 

Washington DC & Virginia
fas.org/expert/eric-fe…
Joined January 2009

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    Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

    Sobering—“It is already clear that the virus is changing too quickly, new variants are spreading too easily & vaccination is proceeding too slowly for herd immunity to be within reach anytime soon.” ➡️ Vaccine hesitancy hurts public health.🧵 #COVID19https://www.nytimes.com/2021/05/03/health/covid-herd-immunity-vaccine.html …

    8:58 AM - 3 May 2021
    • 991 Retweets
    • 2,039 Likes
    • 💙 Amber 💙 #ForAll #COVIDzero 🍞🌹 TrueBlueBroad Rob Sprowl Science rules, GQP drools. 😷✌🏼🌎🌏🌍 artemis888🏹 Save US Democracy! FreedomToVoteAct SuZ Susan Chubb#FBPA⚫️#RejoinEU 💙🏴‍☠️ JustJulie
    139 replies 991 retweets 2,039 likes
      1. New conversation
      2. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        2) I don’t like this— “daily vaccination rates are slipping, and there is widespread consensus among scientists and public health experts that the herd immunity threshold is not attainable — at least not in the foreseeable future, and perhaps not ever.”

        18 replies 89 retweets 355 likes
        Show this thread
      3. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        3) “rather than making a long-promised exit, the virus will most likely become a manageable threat that will continue to circulate in US for years to come, still causing hospitalizations and deaths but in much smaller numbers.” ➡️I don’t like waving this surrender flag.

        14 replies 79 retweets 383 likes
        Show this thread
      4. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        4) “Continued immunizations, especially for people at highest risk because of age, exposure or health status, will be crucial to limiting the severity of outbreaks, if not their frequency, experts believe.

        3 replies 51 retweets 221 likes
        Show this thread
      5. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        5) “The virus is unlikely to go away,” said Rustom Antia, an evolutionary biologist at Emory University in Atlanta. “But we want to do all we can to check that it’s likely to become a mild infection.” ➡️No, I think we can do better with #ZeroCovid approach.

        5 replies 58 retweets 341 likes
        Show this thread
      6. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        6) “The shift in outlook presents a new challenge for public health authorities. The drive for herd immunity — by the summer, some experts once thought possible — captured the imagination of large segments of the public.” ➡️putting all eggs into vaccine basket inadequate.

        4 replies 46 retweets 244 likes
        Show this thread
      7. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        7) “To say the goal will not be attained adds another “why bother” to the list of reasons that vaccine skeptics use to avoid being inoculated.” ➡️ INDEED—this is why this “vaccine savior” singular push is tricky to communicate. We need both vaccines & #ZeroCovid approach.

        5 replies 53 retweets 276 likes
        Show this thread
      8. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        8) “People were getting confused and thinking you’re never going to get the infections down until you reach this mystical level of herd immunity, whatever that number is,” Fauci said. “That’s why we stopped using herd immunity in the classic sense,” he added.

        2 replies 37 retweets 151 likes
        Show this thread
      9. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        9) Fauci: “I’m saying: Forget that for a second. You vaccinate enough people, the infections are going to go down.” ➡️ My take: This is true, but “down” for some (India and Brazil) is not adequately down for others. “Down” is too subjective. And allows authoritarians to dismiss.

        5 replies 47 retweets 209 likes
        Show this thread
      10. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        10) HERD IS A MOVING TARGET: “Early on, the target herd immunity threshold was estimated to be about 60 to 70 percent of the population. Most experts, including Dr. Fauci, expected that the United States would be able to reach it once vaccines were available.

        3 replies 40 retweets 163 likes
        Show this thread
      11. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        11) “But as vaccines were developed and distribution ramped up through the winter and into the spring, estimates of the threshold began to rise. That is because the initial calculations were based on the contagiousness of the original version of the virus…

        1 reply 35 retweets 153 likes
        Show this thread
      12. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        12) “The predominant variant now circulating in the United States, called B.1.1.7 and first identified in Britain, is about 60 percent more transmissible. As a result, experts now calculate the herd immunity threshold to be at least 80 percent…” MY TAKE: likely 80-90% for #P1.

        10 replies 89 retweets 261 likes
        Show this thread
      13. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        13) “If even more contagious variants develop, or if scientists find that immunized people can still transmit the virus, the calculation will have to be revised upward again.” My take➡️ we need to get serious that we need both vaccines and a #ZeroCovid mitigation approach.

        17 replies 86 retweets 327 likes
        Show this thread
      14. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        Eric Feigl-Ding Retweeted Eric Feigl-Ding

        14) At this point, all creative approaches to get people to vaccinate are on the table… even comedy…https://twitter.com/DrEricDing/status/1389218431606657030 …

        Eric Feigl-Ding added,

        1:11
        Eric Feigl-DingVerified account @DrEricDing
        “MyVaccine” - if it works for pillows then why not? All options on the table at this point folks! Thx @TheDailyShow. #vaccinate #COVID19 pic.twitter.com/052CHRZsn0
        10 replies 51 retweets 219 likes
        Show this thread
      15. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        15) “How insulated a particular region is from the coronavirus depends on a dizzying array of factors. Herd immunity can fluctuate with “population crowding, human behavior, sanitation and all sorts of other things,” said Dr. David M. Morens, a senior adviser to Dr. Fauci.

        1 reply 28 retweets 122 likes
        Show this thread
      16. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        16) “The herd immunity for a wealthy neighborhood might be X, then you go into a crowded neighborhood one block away and it’s 10X.” Given the degree of movement, a small wave in a region with a low vaccination level can easily spill over into where a majority of is protected.

        2 replies 34 retweets 160 likes
        Show this thread
      17. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        17) “At the same time, the connectivity between countries, particularly as travel restrictions ease, emphasizes the urgency of protecting not just Americans but everyone in the world, said Natalie E. Dean. Any variants that arise in the world will eventually reach the US.” ⚠️

        6 replies 46 retweets 210 likes
        Show this thread
      18. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        18) Let me repeat: •Any variants that arise in the world will eventually reach the United States”! ➡️So damnit, those living in cushy bubbles in Manhattan who think we don’t have to worry about 🇧🇷#P1 or 🇮🇳 #B1617 variants coming to the US (you know who you are!)—wake up!

        12 replies 124 retweets 447 likes
        Show this thread
      19. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        19) The only one thing that annoys me as much as anti-mask/anti-vax people are those who are “don’t worry about variants / vaccines will solve it soon” folks who dismiss the seriousness of variants & and foolishly think #COVID19 is over in US. It’s not!https://www.nytimes.com/2021/05/03/health/covid-herd-immunity-vaccine.html#click=https://t.co/Zh2iC5k1Sp …

        27 replies 148 retweets 469 likes
        Show this thread
      20. Eric Feigl-Ding‏Verified account @DrEricDing 3 May 2021

        Eric Feigl-Ding Retweeted Eric Feigl-Ding

        20) Also, #P1 is rising across many parts of the US, hence we need to vaccinate more than ever.https://twitter.com/DrEricDing/status/1388273359348174856 …

        Eric Feigl-Ding added,

        Eric Feigl-DingVerified account @DrEricDing
        What is the fastest growing variant in the US currently? Not #B117 anymore (now #2)—it’s actually the #P1 variant from Brazil 🇧🇷. So @NYCHealthCommr Dr @davechokshi is indeed correct when he rightfully pointed out #P1 is “growing” in New York City. #COVID19 (Figure from @trvrb) pic.twitter.com/WMxFPSKKMo
        Show this thread
        16 replies 73 retweets 238 likes
        Show this thread
      21. Eric Feigl-Ding‏Verified account @DrEricDing 6 May 2021

        Eric Feigl-Ding Retweeted Eric Feigl-Ding

        21) Unvaccinated people need to stop thinking they are invulnerable.https://twitter.com/DrEricDing/status/1390398765186666503 …

        Eric Feigl-Ding added,

        Eric Feigl-DingVerified account @DrEricDing
        Unvaccinated people somehow think they are invincible. Irony—they are half-protected by those of us who are #vaccinated. 53% have restaurant dined, 46% have gathered with >10 non-family members *indoors*, & 41% have attended a church gathering. #COVID19 https://www.nytimes.com/2021/05/04/upshot/vaccine-incentive-experiment.amp.html … pic.twitter.com/Jc5e4ENDoD
        Show this thread
        16 replies 36 retweets 128 likes
        Show this thread
      22. End of conversation

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