Reports said she only works with single sex partner in 6 months above before detecting HIV positive. This pair relations several times without using any protective measures, even to each other and cause bleeding in menstrual relations.

The risk of infection, such as sex with the opposite sex, injecting drug use or tattoos are removed.

HIV infection risk in lesbian relationships are rare but can not completely eliminate the risk.  Photo: BBC

HIV infection risk in lesbian relationships are rare but can not completely eliminate the risk. Photo: BBC .

According to experts, she strains to infect 98% match to the virus from their partners. Risk of HIV infection from lesbian relationship deepened when a woman with HIV has stopped using antiviral drugs in 2010.

Although emphasizing the ability of HIV to the lesbian couple is very rare, experts note that "risk factor always exists and can not be removed".

Paul Ward, director at the Terrence Higgins Trust executive, said: "The risk of HIV transmission between women is very low. However, this risk can increase if one of two HIV without treatment. In case discontinue use of antiviral drugs, viral load will increase significantly in the blood. Therefore, treatment with existing methods not only help patients, but also reduce the risk of infection to others. "