With today’s leisure tourism, the frequency of visits to many caves makes it necessary to know about possible potentially pathogenic microorganisms in caves, determine their reservoirs, and inform the public about the consequences of such visits. Our data reveal that caves could be a potential danger to visitors because of the presence of opportunistic microorganisms, whose existence and possible development in humans is currently unknown.
Jurado, Valme; Leonila Laiz; Veronica Rodriguez-Nava; Patrick Boiron; Bernardo Hermosin; Sergio Sanchez-Moral; and Cesareo Saiz-Jimenez.
Pathogenic and opportunistic microorganisms in caves.
International Journal of Speleology,
Available at: http://scholarcommons.usf.edu/ijs/vol39/iss1/2