Dr. Allen Sills, the NFL's chief medical officer, urged players Friday to seek out information about COVID-19 vaccines from trusted medical sources.
"Let's not get information from Instagram or Facebook posts," Sills told reporters.
U.S. Surgeon General Dr. Vivek Murthy told CNN's Dana Bash on Sunday that social media companies must work harder to combat misinformation that is posted on their platforms:
"Some of them have worked to try to, you know, up promote accurate sources like the CDC and other medical sources. Others have tried to reduce the prevalence of false sources and search results.