Department of Microbiology observed the World AIDS day on 30th of December 2019 at Saveetha Dental College and Hospital premises with the motto for the year as “Ending the HIV/AIDS Epidemic: Community by Community”. The faculties organized an awareness campaign towards the HIV threat among the faculties, visiting patients, technical staff and class IV servants. A special lecture entitled “HIV and tuberculosis: A double trouble” was arranged and was deliberated by Dr.Sai Kollapan, Laboratory Manager, Louisiana State University Health Sciences Centre, Shreveport, Louisiana, USA. Dr.A.S.Smiline Girija gave the introductory note about the scientific forum and welcomed the peer group. Dr.Sheeja Varghese, Dean of SDC felicitated the speaker with a memento. The speaker made a vibrant note on the recent updates on HIV and the impact of TB among AIDS patients. He also highlighted on the strategies of HIV treatment, preventive measures and the novel governmental plans to stop HIV spread in the community. The lecture session was highly interactive and informative which ended with the vote of thanks by Mr.N.P.Muralidharan.