Aaron Richterman, MD Profile picture
infectious diseases @PennMedicine @PennLDI @UPennCGH “his horoscopes were especially popular because they were often right”

Sep 12, 2020, 28 tweets

Political appointees move to silence @CDCMMWR reports, the weekly lifeline from a barely functioning institution and the cornerstone of public health reporting in the US

Selection of reports that have been essential to understanding the US epidemic 👇🏻

politico.com/news/2020/09/1…

March 20 — cruise ship investigation with early hint about crucial importance of indoor dining for transmission

cdc.gov/mmwr/volumes/6…

March 20 — investigation in Singapore demonstrates that aggressive test, trace, isolate can be effective if community prevalence is low

cdc.gov/mmwr/volumes/6…

March 27 — nursing home investigation in Washington identifies important vulnerabilities in these facilities and highlights devastating consequences of transmission

cdc.gov/mmwr/volumes/6…

April 3 — symptom based screening will be insufficient to prevent nursing home outbreaks

cdc.gov/mmwr/volumes/6…

April 10 — importance of sentinel surveillance in identifying community transmission

cdc.gov/mmwr/volumes/6…

April 8 — superspreading events at family gatherings

cdc.gov/mmwr/volumes/6…

May 1 — 2 reports showing homeless shelters as important focus of transmission requiring special attention

cdc.gov/mmwr/volumes/6…

cdc.gov/mmwr/volumes/6…

May 8 — Black patients overrepresented among those hospitalized with covid19

cdc.gov/mmwr/volumes/6…

May 8 — investigation of meat and poultry plants showing 5000 infections and 20 deaths

cdc.gov/mmwr/volumes/6…

May 15 — investigation into the now famous Skagit choir superspreading event

cdc.gov/mmwr/volumes/6…

May 15 — analysis of excess deaths in NYC show 5000+ additional deaths related to covid in addition to the ~19000 known to be covid-related

cdc.gov/mmwr/volumes/6…

May 15 and 22 — worrisome early impact of the epidemic on childhood vaccinations

cdc.gov/mmwr/volumes/6…

cdc.gov/mmwr/volumes/6…

May 15 — early and large report of massive burden of disease in prisons

cdc.gov/mmwr/volumes/6…

May 22 — importance of places of worship as sites of superspreading events

cdc.gov/mmwr/volumes/6…

June 12 — widespread public support for social mitigation strategies

cdc.gov/mmwr/volumes/6…

June 26 — first study in pregnant women to use an appropriate control group, identifying this population as at risk for severe disease

cdc.gov/mmwr/volumes/6…

June 26 — decreased use of emergency departments for life threatening illnesses during the pandemic

cdc.gov/mmwr/volumes/6…

July 17 — 0 infections from 139 exposures to symptomatic hair stylists with covid19. Circumstantial evidence supporting the crucial role of universal masking

cdc.gov/mmwr/volumes/6…

July 24 — some of the first well-designed randomly sampled serosurveys in the US demonstrate low overall prevalence of infection (but much higher than identified cases)

cdc.gov/mmwr/volumes/6…

cdc.gov/mmwr/volumes/6…

July 31 — high proportion of people experiencing symptoms for at least 2-3 weeks

cdc.gov/mmwr/volumes/6…

August 7 — superspreading event at Georgia sleepover camp. This can happen with kids if precautions aren’t take.

cdc.gov/mmwr/volumes/6…

August 14 — early report characterizing multisystem inflammatory syndrome in children (MIS-C) in the US

cdc.gov/mmwr/volumes/6…

August 28 — successful strategies preventing transmission in child care programs in Rhode Island. Important case study.

cdc.gov/mmwr/volumes/6…

September 4 — Strategies used for successful summer camps in Maine without major transmission events. Important case study.

cdc.gov/mmwr/volumes/6…

September 11 — importance of various community exposures as risk factors for acquiring infection (restaurants being the big one)

cdc.gov/mmwr/volumes/6…

September 11 — cluster investigation showing superspreading events starting at child care facilities and making its way into households

cdc.gov/mmwr/volumes/6…

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