Guinea worm disease nears eradication
It is believed that those snakes you see in the logo for medical services (caduceus) are actually Guinea worms as physicians used to advertise their services that way. See for example<p><a href="https://medium.com/@DrWink/what-does-the-caduceus-represent-cb48e1ba338a" rel="nofollow">https://medium.com/@DrWink/what-does-the-caduceus-represent-...</a>