Ocean water is lively. A single drop has something like ten million viruses. https://www.news.ucsb.edu/2011/013097/decade-long-study-reveals-recurring-patterns

Ocean water is lively. A single drop has something like ten million viruses. https://www.news.ucsb.edu/2011/013097/decade-long-study-reveals-recurring-patterns-viruses-open-ocean https://www.news.ucsb.edu/2011/013097/decade-long-study-reve... But in the article the photographer said he'd come up empty on some of the dives. So it's fairly spread out.