No panties

Hi ladies so I work in a hot warehouse with no AC. I wear cotton shorts and a tank top everyday. My shorts are the ones that have like underwear built in so I don’t feel the need to wear underwear. I’m worried about bacteria and germs in the air I just don’t want to get an infection down there from not wearing underwear. I’m just so much more comfortable at work when I don’t wear underwear. Is it possible for me to get an infection or am I just being paranoid? Thanks in advance.