Actually, live Lyme bacteria have been found in "fluids", shall we say? What isn't known is if the bacteria is still able to transmit the infection, although in one study identical strains were found from both the partners. While the actual article isn't available to the general public (need a subscript
ion or pay to view the article), you can read about
the findings here:
www.onlineprnews.com/news/454866-1390261507-lyme-disease-may-be-sexually-transmitted-study-suggests.html With that being said, my husband is not showing any signs of infection after 14 years.
Are you concerned because your partner is showing possible symptoms? If it is a large concern of yours, you may want to use protection and raise both of your immune functions.