Dr Gambo Aliyu, the Director-General, National Agency for the Control of AIDS (NACA) said the importance of people identifying the various modes of HIV transmission cannot be overemphasized, as it is the key not only to controlling the risk of contracting and spreading the virus but can help in achieving zero HIV transmission in the country. Aliyu said this in Abuja on Monday while delivering a lecture on the topic ‘Mode of HIV Transmission’. He outlined four risky groups within the population, which include: never married males, never married females, men...