Nigeria, Dec. 1 -- Today, Nigeria joins the rest of the world to celebrate the World AIDS Day amidst a significant improvement in the country's response to HIV in recent years.

The impact of the response is evident in the preliminary results of the Nigeria HIV/AIDS Indicator and Impact Survey (NAIS) released in March.

The survey - which cost about $100 million, involved 185 survey teams, and covered more than 200,000 people - indicates that there are 1.9 million people under the age of 64 living with HIV in Nigeria - a 40 per cent reduction from the country's official national HIV prevalence estimates for 2017.

But huge gaps in testing and prevention of mother-to-child transmission of HIV still make the goal of ending the epidemic by 2...