Red Ribbon Express, the HIV/AIDS campaign train jointly operated by Indian Railways in collaboration with the Ministry of Health and Family Welfare, arrived here on Thursday. Formally inaugurating the train, Collector V.N. Vishnu said lack of awareness was the main reason for HIV/AIDS spreading its tentacles around the world.The best way to combat the disease is to acquaint oneself with the causes of it and desist from irresponsible sexual behaviour.HIV/AIDS continues to be a major cause of mortality. As it assumed alarming proport