Following the misinformation URL trail to identify key spreaders: A case study on Twitter

— 15 Apr 2022

Introduction As social media platforms try to tackle the spread of misinformation, their first challenge is the reliable identification of which content breaches their misinformati...

Assessing the effect of COVID-19 vaccines on mortality: a story of confounding factors and their role in COVID-19 misinformation

— 15 Mar 2022

Introduction COVID-19 vaccines have been instrumental in our fight against the pandemic and our return to a normal life, thanks to their ability to reduce the number of cases, hosp...

Infection-induced immunity versus vaccine-induced immunity: Weighing the benefits and risks

— 03 Nov 2021

Introduction Multiple articles and social media posts have debated the strength of infection-induced immunity​​—commonly referred to as natural immunity—compared to vaccina...

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

— 29 Jul 2021

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 ...

Understanding causality in adverse events after vaccination

— 15 Jul 2021

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�...

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

— 21 Jun 2021

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 c...

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

— 15 Jun 2021

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 q...

How were mRNA vaccines developed for COVID-19?

— 02 Jun 2021

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...

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

— 19 Mar 2021

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...

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

— 20 Aug 2020

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 activi...