Ocean swimming... and germs SWIMMING WITH THE POD

Primrose Freestone, Associate Professor in Clinical Microbiology at the University of Leicester and science communicator, is an infectious diseases expert, and has dived into the debate of whether swimming in a pool or in the natural environment is the safer option. She also takes us through the cleanliness of hot-tubs (hint, they're gross.)
Songs in this episode - all licensed under a Creative Commons License:
Bugs - GNAAR
Bugs - Phillip Barker
Bug's Land - Vadim Krakhmal
Little bugs - i m p a u s e a b l e
Sapphire - Tobu
Photo from wikimedia