Science denialists and quacks love abusing Koch’s postulates to deny that various microorganisms are the true cause of disease; so it was inevitable that they’d do it for COVID-19.
![This is Robert Koch's reaction to the abuse of Koch's postulates by quacks](https://i0.wp.com/www.respectfulinsolence.com/wp-content/uploads/2020/12/RobertKoch.jpg?fit=1200%2C1200&ssl=1)
Science denialists and quacks love abusing Koch’s postulates to deny that various microorganisms are the true cause of disease; so it was inevitable that they’d do it for COVID-19.