People with Long Covid in the U.S., Canada, U.K., and Europe are buying billboard ads to raise awareness about the disease and promote the urgent need for clinical trials. These billboards aim to do the job of public health authorities, advocates who spoke to The Sick Times explained. However, as some billboard efforts in the U.S. have run into roadblocks, legal experts say there’s a potential case that advocates may be experiencing discrimination under the Americans with Disabilities Act (ADA).