Copypasta of an ICU doctor’s tweet stokes COVID-19 skepticism by mimicking bot-like behavior

2021-07-29

Introduction The spread of the Delta variant of SARS-CoV-2 has put many countries back on high alert. Both the U.S. and the U.K. have seen the Delta variant become the predominant cause of COVID-19 cases. However, one thing is clear: the COVID-19 vaccines authorized for use in the U.S. remain highly effective even against the … Continued


Understanding causality in adverse events after vaccination

2021-07-15

Introduction Whether you’re watching the news or scrolling through your social media feeds, you’re certain to come across content about COVID-19 vaccines. This is unsurprising—vaccine safety, and in particular adverse events occurring after COVID-19 vaccination, have been the subject of scrutiny from regulatory agencies, scientists, and the public. While it’s critical to be vigilant and … Continued


What has been the effect of the pandemic on the suicide rate of the U.S. population?

2021-06-21

Introduction The COVID-19 pandemic prompted countries everywhere to take measures to reduce the spread of the disease. One of these measures, which has proven to be effective (as covered in several Health Feedback claim reviews here, here, and here) but hasn’t been without controversy, is lockdown. Lockdowns consist of limiting certain activities by the general … Continued


What is known about the claims that the Wuhan Institute of Virology conducted research to bioengineer bat coronaviruses?

2021-06-15

Image: Scanning electron microscope image showing SARS-CoV-2 (round gold objects) emerging from the surface of cells cultured in the lab. Credit NIAID-RML Introduction One of the questions currently being debated about the origin of COVID-19 is whether the U.S. National Institutes of Health (NIH) funded research on bat coronaviruses that could cause a virus to … Continued


How were mRNA vaccines developed for COVID-19?

2021-06-02

The vaccines for COVID-19 produced by Pfizer-BioNTech and Moderna were the first mRNA vaccines authorized for use in the general public. mRNA vaccines were a long-standing ambition for scientists, as it was hoped that they would offer many advantages over traditional vaccines[1]. However, there were significant technical challenges that took decades to overcome. How do … Continued


Could scientists use the bat coronavirus RaTG13 to engineer SARS-CoV-2, the virus that causes COVID-19, in a lab?

2021-03-19

One of the biggest outstanding questions of the COVID-19 pandemic is the origin of SARS-CoV-2, the coronavirus responsible for the disease. One idea, put forward by some news sites like Fox News and government officials, is that SARS-CoV-2 was man-made. As very few living people have witnessed a pandemic of this scale before, it is … Continued


“Plandemic: Indoctornation” video rehashes debunked claims and conspiracy theories about the COVID-19 pandemic and vaccines

2020-08-20

Plandemic is a pseudo-documentary produced by American filmmaker Mikki Willis, whose first instalment was published in May 2020. Featuring an interview with anti-vaccination activist and former scientist Judy Mikovits, the video peddled numerous false claims and conspiracy theories about the COVID-19 pandemic and vaccines (see Health Feedback’s review of that video). It achieved immense virality … Continued


Computing Forever interview with Dolores Cahill contains numerous inaccuracies about COVID-19 and vaccines

2020-05-22

This video, first published on 11 May 2020, features an interview between Dave Cullen, also known as Computing Forever on YouTube, and Dolores Cahill, a professor at University College Dublin who specializes in proteomics and also the chairperson of the political group the Irish Freedom Party. Lasting about an hour, the video rehashes previously-debunked misinformation … Continued


“Plandemic” vignette featuring anti-vaccination activist Judy Mikovits contains numerous false and unsupported claims about COVID-19

2020-05-08

This video is the first in a series of vignettes preceding a movie titled “Plandemic”. First published on 5 May 2020, it quickly went viral on Facebook, with more than 2.2 million views on the platform to date. Produced by Mikki Willis, it features an interview with Judy Mikovits, former research director of the Whittemore … Continued


Did the COVID-19 virus originate from a lab or nature? Examining the evidence for different hypotheses of the novel coronavirus’ origins

2020-04-24

Since the beginning of the COVID-19 outbreak in December 2019, many hypotheses have been advanced to explain where the novel coronavirus (SARS-CoV-2) actually came from. Initial reports pointed to the Huanan seafood market in Wuhan, China, as the source of infection, however later studies called this into question. Given the uncertainty, many have suggested that … Continued