The Vatican's official position is that the Church does not bear any responsibility for the spread of HIV in Africa. In a 2010 statement, the Vatican said that "the incidence and spread of HIV/AIDS in Africa are the result of many complex factors, such as poverty, lack of education and healthcare, and societal and cultural practices that facilitate the transmission of the virus."
However, other experts believe that the Church's teachings and policies have contributed to the spread of HIV. For example, some experts argue that the Church's emphasis on abstinence has made it difficult for people to get the information and resources they need to protect themselves from HIV infection. Others argue that the Church's opposition to contraception has led to an increase in unplanned pregnancies, which can increase the risk of HIV transmission.
Ultimately, the question of whether or not the Catholic Church is responsible for the spread of HIV in Africa is a complex one that is difficult to answer definitively. There are many factors that have contributed to the epidemic, and it is not clear to what extent the Church's teachings and policies have played a role.