The flashy postcard, covered with images of syringes, beckoned people to attend Vax-Con ’21 in America's Wisconsin Dells city to learn “the uncensored truth” about Covid-19 vaccines.

Participants travelled from around the country to a resort for a sold-out convention that was, in fact, a sea of misinformation and conspiracy theories about vaccines and the pandemic.

The featured speaker is the anti-vaccine activist who appeared in the 2020 movie 'Plandemic', which pushed false Covid-19 stories into the mainstream. One session after another discussed bogus claims about the health dangers of mask-wearing and vaccines.

The convention was organised by a profession that has become a major purveyor of vaccine misinformation during the pandemic: chiropractors.

At a time when the surgeon general says misinformation has become an urgent threat to public health, an investigation by The Associated Press found a vocal and influential group of chiropractors has been capitalising on the pandemic by sowing fear and mistrust of vaccines.

Read the full AP story here.