Darn. Swim In The Ocean? It Might Increase You Infection Risk.
Motivated by a long-held suspicion that ocean-goers demonstrate higher infection rates than non-ocean-goers, scientists did a simple study on skin microbiota before and after volunteers at a beach went swimming.
Findings demonstrated that all 9 individuals sampled, accumulated a potentially pathogenic species of bacteria on their skin after getting out of the ocean. None of the participants had this genus of bacteria on their skin before they went swimming.
Certainly a reminder to always see the health safety levels of the beach you're visiting. Here's the EPA resource on beach safety (with data on beaches near you):
Read more on the study here: https://phys.org/news/2019-06-ocean-skin-microbiome-vulnerability-infection.html