Dr John Campbell - charlatan. Not a Doctor (retired nurse). Always listen to retired nurses, or fired ones who can't hold a job, before actual Doctors and researchers.
COVID-19 misinformation
Further information:
In November 2021, Campbell said in a video that ivermectin might have been responsible for a sudden decline in COVID-19 cases in Japan. However, the drug had never been officially authorised for such use in the country—its use was merely promoted by the chair of a non-governmental medical association in Tokyo, and it has no established benefit as a COVID-19 treatment.
, the lead epidemiologist for COVID-19 at the UK
, said that Campbell was
. Further, Kall said that there was no evidence of ivermectin being used in large numbers in Japan; rather, she said it "appears this was based on anecdata on social media driving wildly damaging misinformation".
In November 2021, Campbell quoted from a non-peer-reviewed journal abstract by
saying that
might cause heart problems. Campbell said he was not sure about the claim or its quality, but did not mention the
that had been published for the abstract, saying instead that it could be "incredibly significant". The video was viewed over 2 million times within a few weeks and was used by anti-vaccination activists as support for the misinformation that COVID-19 vaccination will cause a wave of heart attacks. According to a FactCheck review, Campbell had in his video drawn attention to the poor quality of the research on which these claims were based, pointing to typos in the abstract, poor methodology, and a lack of clear data.