Silver Bullet Newsletter
Catherine Shaffer
A weekly update on all things COVID-19
Created 17 Dec 2020
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Silver Bullet Sept. 16 - On hiatus until further notice17 Sep 2021 • < 1 min read • 4 0Thanks so much for following the science with me these past fifteen months. I am taking some time off from publishing Silver Bullet to focus on other projects and take care of my mental health. I hope...
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Silver Bullet Sept 3 - building a case for booster shots, antibodies, mechanisms of mortality03 Sep 2021 • 8 min readColorized scanning electron micrograph of an apoptotic cell (pink) heavily infected with SARS-COV-2 virus particles (green), isolated from a patient sample. Image captured at the NIAID Integrated Rese...
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Silver Bullet Aug 20 - Understanding changes in vaccine protection and the Delta variant20 Aug 2021 • 7 min readCDC community transmission map Fri Aug 13 2021 through Thu Aug 19 2021 Delta shifts vaccine efficacy against infection, but not hospitalization The emergence of the pandemic prompted an unprecedented ...
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Silver Bullet Aug 6 - Faith and vaccine hesitancy, time to mask up again, employer vaccine mandates06 Aug 2021 • 6 min readVaccination clinic organized by Rev. Dominique Grate, through his church Trinity African Methodist Episcopal Church in Manning, South Carolina. Photo credit: Rev. Dominique Grate Research suggests fai...
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Silver Bullet July 23 - Mixed signals on masks, viral origins and evolution23 Jul 2021 • 4 min readEdited NIAID/NIH microscopic image of a human cell being attacked by coronaviruses. Source: Stuart Rankin (CC BY-NC 2.0) Confused? You’re not alone. COVID-19 cases are down in many parts of the countr...
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Silver Bullet July 8 - Variant roundup, a virus-fighting virus, zoo animals get vaccinated09 Jul 2021 • 6 min readSource: thedigme (CC BY-NC 2.0) Keeping track of variants The Delta variant of the SARS-CoV-2 virus (B.1.617.2), which fueled India’s devastating winter/spring surge, now comprises more than half (51....
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Silver Bullet June 25 - Birthday parties and COVID, long COVID updates, vaccine concerns25 Jun 2021 • 5 min readSource: CJ Sorg (CC BY-SA 2.0) Happy COVID to you A report in JAMA Internal Medicine linked higher rates of COVID-19 to households with recent birthdays. Those households were 30 percent more likely t...
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Silver Bullet June 11 - Vaccine incentives, US vaccine giveaway, heart inflammation concerns11 Jun 2021 • 7 min readOn 7 March 2021, Ethiopia received 2.2 million doses of the Astra Zeneca COVID-19 vaccine via the COVAX Facility. Source: UNICEF Ethiopia (CC BY-NC-ND 2.0) Vaccine incentive programs are taking off ev...
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Silver Bullet May 28 - Long lasting immunity, source of black fungus, P.1 drove Manaus surge28 May 2021 • 4 min readA street scene from Manaus, capital city of the state of Amazonas, Brazil. Manaus was the epicenter of Brazil’s second wave of Covid-19, driven by the P.1 variant. Source: @petra CC BY-NC-SA 2.0 CDC m...
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Silver Bullet May 14 - New CDC guidelines, Spike protein and vascular damage14 May 2021 • 4 min readClose up illustration of spike protein on the surface of the coronavirus, SARS-CoV-2. Source, NIH. CC BY-NC 2.0 Changing guidance from the CDC Contrary to widespread scientific opinion, the CDC has lo...
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