The National Vaccine Information Center (NVIC), founded under the name Dissatisfied Parents Together (DPT) in 1982, is an American 501(c)(3) organization that has been widely criticized as a leading source of fearmongering and misinformation about vaccines. While NVIC describes itself as the "oldest and largest consumer-led organization advocating for the institution of vaccine safety and informed consent protections", it promotes false and misleading information including the discredited claim that vaccines cause autism, and its campaigns portray vaccination as risky, encouraging people to consider "alternatives." In April 2020, the organization was identified as one of the greatest disseminators of COVID-19 misinformation on Facebook.
Joseph Michael Mercola is an American alternative medicine proponent, osteopathic physician, and Internet business personality. He markets largely unproven dietary supplements and medical devices. On his website, Mercola and colleagues advocate unproven and pseudoscientific alternative health notions including homeopathy and opposition to vaccination. These positions have received persistent criticism. Mercola is a member of several alternative medicine organizations as well as the political advocacy group Association of American Physicians and Surgeons, which promotes scientifically discredited views about medicine and disease. He is the author of two books.
The Center for Countering Digital Hate (CCDH), formerly Brixton Endeavors, is a British-American not-for-profit NGO company with offices in London and Washington, D.C. with the stated purpose of stopping the spread of online hate speech and disinformation. It campaigns to deplatform people that it believes promote hate or misinformation, and campaigns to restrict media organisations such as The Daily Wire from advertising. CCDH is a member of the Stop Hate For Profit coalition.
Sherri J. Tenpenny is an American anti-vaccination activist and conspiracy theorist who promulgates disproven hypotheses that vaccines cause autism. An osteopathic physician by training, she is the author of four books opposing vaccination. In 2023 the State Medical Board of Ohio indefinitely suspended Tenpenny's medical license for failure to participate in its investigations. Her license was restored in 2024.
LifeSiteNews is a Canadian Catholic conservative anti-abortion advocacy website and news publication. LifeSiteNews has published misleading information and conspiracy theories, and in 2021, was banned from some social media platforms for spreading COVID-19 misinformation.
Children's Health Defense (CHD) is an American 501(c)(3) nonprofit activist group mainly known for anti-vaccine disinformation, and which has been called one of the main sources of misinformation on vaccines. Founded under the name World Mercury Project in 2007, it is chaired by Robert F. Kennedy Jr.
Del Matthew Bigtree is an American television and film producer who is the CEO of the anti-vaccination group Informed Consent Action Network. He produced the film Vaxxed: From Cover-Up to Catastrophe, based on the discredited opinions of Andrew Wakefield, and alleges an unsubstantiated connection between vaccines and autism. He served as communications director for Robert F. Kennedy Jr.'s 2024 presidential campaign and subsequently took a leading role in two groups associated with Kennedy's political career.
The Informed Consent Action Network (ICAN) is one of the main anti-vaccination groups in the United States. Founded in 2016 by Del Bigtree, it spreads misinformation about the risks of vaccines and contributes to vaccine hesitancy, which has been identified by the World Health Organization as one of the top ten global health threats of 2019. Arguments against vaccination are contradicted by overwhelming scientific consensus about the safety and effectiveness of vaccines.
The Stop Mandatory Vaccination website and associated Facebook group are some of the major hubs of the American anti-vaccination movement. It was established by anti-vaccination activist Larry Cook in 2015.
Kelly Brogan is an American author of books on alternative medicine who has promoted conspiracy theories and misinformation about medical hypotheses.
Plandemic is a trilogy of conspiracy theory films produced by Mikki Willis, promoting misinformation about the COVID-19 pandemic. They feature Judy Mikovits, a discredited American researcher and prominent anti-vaccine activist. The first video, Plandemic: The Hidden Agenda Behind Covid-19, was released on May 4, 2020, under Willis' production company Elevate Films. The second film, Plandemic Indoctornation, which includes more interviewees, was released on August 18 by Brian Rose's distributor of conspiracy theory related films, London Real. Later on June 3, 2023, Plandemic 3: The Great Awakening was released on The Highwire, a website devoted to conspiracy theories run by anti-vaccine activist Del Bigtree.
Kay Allison "Kate" Shemirani is a British conspiracy theorist, anti-vaccine activist and former nurse who lost her licence to practise in 2020 for misconduct. She is best known for promoting conspiracy theories about COVID-19, vaccinations and 5G technology. Shemirani has been described by The Jewish Chronicle as a leading figure of a movement that includes conspiracy theorists as well as far-left and far-right activists.
Ty Bollinger is an American author and conspiracy theorist who disseminates misinformation about cancer treatments, anti-vaccine conspiracy theories, unproven cures, alternative medicine treatments for cancer and vaccine-preventable diseases. Although Bollinger refers to himself as a medical researcher he has no medical training. Bollinger runs the website The Truth About Cancer and its associated social media accounts, where he sells books, videos, and nutritional supplements.
Claire Ann Deeks is a New Zealand anti-vaccine activist who has challenged the government's response to COVID-19. She was an unsuccessful candidate for the Advance NZ party in the 2020 general election, and set up the group Voices for Freedom (VFF), which distributed pamphlets that have been criticised by experts as containing COVID-19 misinformation about vaccines, lockdown and the wearing of masks. As a food blogger, Deeks promoted the paleo diet and "healthy" lunchboxes for children, and developed a petition to stop the rating system for foods used by the NZ and Australian governments. She is a former intellectual property lawyer.
Douglas Sayer Ji is the founder of alternative medicine portal GreenMedInfo, a website known for promoting various pseudoscientific publications. He was identified in 2020 as one of the largest promoters of COVID-19 misinformation on social media.
Ronnie Steven "Rizza" Islam is an American member of the Nation of Islam and a member of its paramilitary wing the Fruit of Islam. According to the Anti-Defamation League, he is a social media influencer with over 500,000 followers across several platforms, posting antisemitic, anti-LGBTQ, and anti-vaccine rhetoric, and promoting a range of conspiracy theories".
This timeline includes entries on the spread of COVID-19 misinformation and conspiracy theories related to the COVID-19 pandemic in Canada. This includes investigations into the origin of COVID-19, and the prevention and treatment of COVID-19 which is caused by the virus SARS-CoV-2. Social media apps and platforms, including Facebook, TikTok, Telegram, and YouTube, have contributed to the spread of misinformation. The Canadian Anti-Hate Network (CAHN) reported that conspiracy theories related to COVID-19 began on "day one". CAHN reported on March 16, 2020, that far-right groups in Canada were taking advantage of the climate of anxiety and fear surrounding COVID, to recycle variations of conspiracies from the 1990s, that people had shared over shortwave radio. COVID-19 disinformation is intentional and seeks to create uncertainty and confusion. But most of the misinformation is shared online unintentionally by enthusiastic participants who are politically active.
Disclose.tv is a disinformation outlet based in Germany that presents itself as a news aggregator. It is known for promoting conspiracy theories and fake news, including COVID-19 misinformation and anti-vaccine narratives.
Died Suddenly is a 2022 American anti-vaccination film directed by Matthew Skow and executive-produced by Stew Peters, a far-right and alt-right anti-vaccine activist. It promotes false claims about COVID-19 vaccines and Great Reset conspiracy theories. The film was released on Rumble and Twitter on November 21, 2022.
OpenVAERS is an American anti-vaccine website created in 2021 by Liz Willner. The website misrepresents data from the Vaccine Adverse Event Reporting System (VAERS) to promote misinformation about COVID-19 vaccines.
