Please follow my twitter account @jsm2334 for more recent commentaries and threads on COVID-19 topics

Covid-19 Data Science
Finding the signal in the noise of Covid-19
Reporting and balanced evaluation of research results, data sets, applications and models, and commentaries related to Covid-19 and its underlying virus, SARS-Cov-2

UK data: Impact of vaccines on deaths. Part 3: Recently vaccinated (within 21 days of 1st dose)
I evaluate UK 2021 all cause deaths to compare recently vaccinated (w/in 21 days of 1st dose) and show no evidence of vaccine-caused deaths

Is watching the 1984 Ghostbusters movie killing people? A Statistician's Perspective
Is watching the 1984 Ghostbusters movie killing people? English adults under 60 who have watched the 1984 Ghostbusters movie are dying at...

UK Data: Impact of vaccines on deaths. Part 2: Fully vaccinated (both doses)
This is part 2 in a 4 part blog post series exploring what the data posted by the UK's Office of National Statistics (ONS) on November...

What do UK data tell us about effect of vaccination on deaths? Part 1: Comparing COVID-19 deaths
To what extent is societal vaccination saving lives? Are the vaccines really safe? Some active vaccine skeptics will present bits of...

Podcast interview on “Th Vax”: Real World Vaccine Safety
Surani's second podcast in the series is now up -- this one talks about safety. I was one of the interviewees on this podcast. The...

Interview on Surani Fernando's "Vax Files" Apple podcast, "Real World Effectiveness of the Vaccine"
I was interviewed by investigative journalist Surani Fernando for her podcast here in the episode on "Real World Vaccine Effectiveness"...

Evaluating claim in "peer reviewed" Toxicology Reports article vaccines kill 5 for every 1 save
There a paper published in Toxicology Reports that included an analysis purporting to estimate causal vaccine deaths in the US claiming...

New USA study confirms VE wanes to ~50% after 5m, but VE vs. hospitalization remains strong at >90%
A paper published October 4, 2021 in The Lancet based on >3.4m USA patients found Pfizer vaccine effectiveness (VE) vs. infection...

Refuting Renz's "smoking gun" claim on vaccine deaths from Medicare data and whistleblower report.
A video that has been heavily circulated on social media this week is a presentation by attorney Thomas Renz claiming "We Got Them. Fact...

Do Pfizer vaccines "kill" 2 people for every 1 saved? Evaluating Steve Kirsch claims.
Summary of Key points: Blatantly misleading headlines have circulated on social media stating that that "FDA experts conclude Pfizer...

Interpreting VAERs: What is the expected background death rate for the USA vaccinated population?
VAERs is an open reporting system put together by the FDA and CDC for people to enter in adverse events after vaccination for post...

VA Tech talk: COVID Data Science: Evaluating and Aggregating Emerging Knowledge in the Pandemic
On 9/24/21 I gave a talk at Virginia Tech on evaluating and aggregating emerging knowledge in the pandemic. It might be the most...

How time confounding can bias vaccine effectiveness upwards via Simpson's paradox
OK -- one more Simpson's paradox themed post. There is one more major point I want to make sure people realize to avoid misinterpreting...

Are boosters a viable long-term strategy or just a Super Mario power-up?
An FDA panel voted on Friday to recommend 3rd shot boosters to adults over 65 in the USA. Are boosters a good idea? If so, do they have...

Simpson's paradox strikes again: Refuting reports vaxxed have 5x case fatality rate than unvaxxed
I have seen a lot of people obsessing with Table 5 of the August report put out the UK Public Health England focusing on the Delta...

Israeli MoH data show >1/3 of unvax 20-59yr previously infected
The Israeli ministry of health (MoH) releases periodic vaccination reports on its Telegram site. Today, the following table was...

What do new Israeli data say about effect of vaccines & boosters vs. death/critical/severe disease?
Key Points: I downloaded and analyzed data containing daily COVID-19 deaths and critical infection numbers from the Israeli ministry of...

Israeli data: How can efficacy vs. severe disease be strong when 60% of hospitalized are vaccinated?
A surge involving the rapidly-transmitting Delta variant in heavily vaccinated countries has led to much hand-wringing that the vaccines...

Israeli study suggests vaccine efficacy vs. infection decreases over time -- should we be worried?
A couple weeks ago, reports in Israel came out suggesting that Pfizer vaccine efficacy waned over time, sparking discussion of the...



























