Dr Khan has been teaching at the Health Services Academy since 2000. Currently, he is an Associate Professor and Controller of Examination of the Academy. He is also coordinator of the ORIC of the HSA and Chairman of its Steering Committee. 

During his academic tenure at the HSA, he has taught almost all the courses offered in the MPH and later the MSPH courses. His special interests are in Environmental Health, Epidemiology, Injuries and communicable and non-communicable diseases. He has supervised more than 50 masters theses. He is also trained more than 200 professionals in Hospital Preparedness for Emergencies course for which he is a qualified instructor. He is also a master trainer for MISP course for Reproductive Health in crises. 

Dr Khan also has vast experience of programme management where he has had headed the Health Emergency Preparedness Cell of the Ministry of Heath and Expanded Programme on Immunization in addition to his academic responsibilities. 

He has been involved in high quality evidence synthesis by working with the Global Burden of Disease team. This work is highly acknowledged throughout the world, and is important in making public health policies and cost-effective interventions. 

He has more than 200 published research items with about 130 articles. Most of his publications are in the top most reputed international journals (The Lancet, The Nature, BMJ, American Journal of Cardiology, International Journal of Public injury preventions journal etc.,)

1. Khan. E.A, Wongkhomthong. S.A, Chamroonsawasdi. K, Srisorachatr. S. Perceptions about the traffic safety among the taxi motorcyclists and their passengers in Phayathai district, Bangkok, Journal of GMC-Nepal, Vol 2, Issue 2, 15 June 2009. 

2. Habib H, Ahmed Khan E, Aziz A. Prevalence and Factors Associated with Needle Stick Injuries among Registered Nurses in Public Sector Tertiary Care Hospitals of Pakistan. International Journal of Collaborative Research on Internal Medicine and Public Health. 2011; 3 (2): 124-130. 

3. Kumar R, Khan EA, Ahmed J. Healthcare Waste Management (HCWM) in Pakistan: Current Situation and Training Options. J Ayub Med Coll, Abbotabad 2010; 22(4):102-. 

4. Amir N, Khan E A, Habib H, et al. Perception regarding the use of Long-Lasting Insecticide-Treated Bed Nets for preventing Malaria among Rural Females of Pakistan. Health med, 2011; 5(6): 1488-1497.

5.  Kumar R, Bajwa F, Khan E, A., Gorar A, Z. Knowledge and Practices about dietary habits among hepatitis B and C patients attending two public sector hospitals at Islamabad. Isra Medical Journal. 2011; 3(1):45. 

6. Saleem, M.R., Ejaz, A. K., Aashifa, Y. Asma, A. L. and Mudassar, M. Abbasi., “Susceptibility and irritability levels of malaria vectors against insecticides in Muzaffargarh, Pakistan” (2014) Journal of Medical Entomology .51(2) 387-391.

7.  Naila Khalid, Ejaz Ahmad Khan, Shifa Saleem , Adeel Tahir , Hassan Mahmood , Sarah Saleem. Prevalence and Associated Factors of Cigarette Smoking among Type 2 Diabetes Patients in Pakistan, International Journal of Collaborative Research on Internal Medicine and Public Health. 2014; 6 (4): 73-88. 

8. Kassebaum, N.J., Ejaz AK. Global, regional, and national levels and causes of maternal mortality during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013. The Lancet, 2014 

9. Christopher, JL Murray., Ejaz AK. Global, regional, and national incidence and mortality for HIV, tuberculosis, and malaria during 1980–2013: a systematic analysis for the Global Burden of Disease Study 2013. The Lancet, 2014

10. Hashim Raza Jafferi, Ejaz Ahmad Khan, Zahid Ahmad Butt, Assad Hafeez. Prevalence and predisposition of smoking among the female university students of Islamabad, (Pak J Public Health 2014; 4(3):1-7 ) 

11. Christopher, JL Murray., Ejaz, A.K. Global, regional, and national age–sex specific all-cause and cause-specific mortality for 240 causes of death, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013. The Lancet. 385(9963): p. 117-171 

12. Ejaz A Khan., Rownak Khan., Muhammad Tariq Iqbal., Quamrul Hasan., Saadia Farrukh., Muhammad Safdar Rana., Wasiq Mehmood Khan., Risk chrachterization of maternal and neonatal tetanus in view of tetanus vaccination campaigns in Pakistan. J Ayub Med Coll Abbottabad 2015;27(1).Theo, Vos., Ejaz AK. Global, regional, and national incidence, prevalence, and years lived with disability for 301 acute and chronic diseases and injuries in 188 countries, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013. The Lancet. 

13. 386(9995): p.743–800. 2015 

14. Murray, C.J.L., Ejaz AK. Global, regional, and national disability-adjusted life years (DALYs) for 306 diseases and injuries and healthy life expectancy (HALE) for 188 countries, 1990–2013: quantifying the epidemiological transition. The Lancet. 

15. Forouzanfar, M.H., Ejaz AK. Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks in 188 countries, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013. The Lancet. 

16. Arif A, Khan EA, Hussain A, Arif MA., Knowledge and practices of mothers: infant and young child’s feeding in Chowk Azam, the Punjab, Pakistan. Journal of Food and Nutrition Sciences 2015; 3(6): 236-239. 

17. Khan EA, Butt ZA, Rana SM, Hayat A., Factors affecting presentation skills of Master of Science in Public Health students in a postgraduate Public Health institution of Pakistan. Pak J Public Health, Vol. 5, No. 3, 2015.

18. Haagsma JA , Ejaz AK. The global burden of injury :incident ,mortality, disability-adjusted life years and time trends from the global Burden of disease study.2013.lnj Prev 2015;0;1-16. doi;10.1136/injuryprev-2015-04161. 

19. Ejaz Ahmed Khan etal. Children exploitation through child labour in Distrcit Vehari, Pakistan, (Pak J Public Health 2015; 5(3):1-8 ) 

20. Asma Abdul Latif, Ejaz Ahmad Khan, Khalid Khan, Maryam Hamid, Rafia Tabasum, Azka Tabasum, Qamar Sultana, Farkhanda Manzoor, Saleem Muhammad Rana. Prevalence of Malaria in Lahore: A cross sectional study, (Pak J Public Health 2016; 6(1):69-73 ) 

21. Sanam Hussain, Ejaz Ahmad Khan, Zubia Qureshi, Ali Khan. Lady health workers’ perceptions towards tuberculosis and its determinants at Latifabad, Sindh, Pakistan, (Pak J Public Health 2016; 6(2): 40-45) 

22. Hussain Z, Ansari JA, Salman M, Khan EA, Asghar RJ. “An evaluation of acute respiratory infection surveillance system in Gilgit-Baltistan, Pakistan”. Journal of the Pakistan Medical Association 66(6): 682-687. 

23. Mokdad AH, Forouzanfar MH, Daoud F, El Bcheraoui C, Moradi-Lakeh M, Khalil I, Ejaz, A.K.. Health in times of uncertainty in the eastern Mediterranean region, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013. The Lancet Global health. 2016. 

24. Stephen S Lim,. Kate Allen,. Zulfiqar A Bhutta, Ejaz AK. Christopher J L Murray. Measuring the health-related Sustainable Development Goals in 188 countries: a baseline analysis from the Global Burden of Disease Study 2015. Lancet (London, England). 2016.Ejaz Ahmad Khan, Syed Muhamad Sabeeh, Muhammad Ashraf Chaudhry, Aashifa Yaqoob, Saleem M Rana, Ramesh Kumar. Health Care Waste Management in Pakistan: 

25. A Situational Analysis and Way Forward, (Pak J Public Health 2016; 6(3):35-43 ) 

26. Shezina Sultan Ali, Ejaz Ahmad Khan, Mudassar Mushtaq, Mujib Ur Rehman. Childhood immunization among internally displaced persons (IDPs) of under-five years from North Waziristan Agency, Pakistan: A cross sectional study, (Pak J Public Health 2016; 6(4):36-40 ) 

27. Uddin, M., Shehzadi, I., Zaib, U., Tahir, M., Anwar, M., Khan, E.A., Rana, M.S. (2017). Knowledge, attitude and practices of female sex workers about HIV/AIDS prevention in Lahore, Pakistan. International Journal of Perceptions in Public Health, 1(2):pp.148-156.

28. Riaz S, Khan EA, Jafar T. Ethics In Health Care Settings: Practices Of Healthcare Professionals And Perceptions Of Patients Regarding Informed Consent, Confidentiality And Privacy At Two Tertiary Care Hospitals Of Islamabad, Pakistan. Journal of Ayub Medical College, Abbottabad : JAMC. 2017;29(3):472-6. 

29. Hassan W, Khan EA. Perceptions regarding generic medicine prescriptions among physicians at tertiary care hospital, Islamabad, Pakistan: A Mixed method study. Age.30(24):22.6. 

30. Mokdad AH., Khan EA. Adolescent health in the Eastern Mediterranean Region: findings from the global burden of disease 2015 study. International journal of public health. 2017:1-18. 

31. Mokdad AH., Khan EA. Burden of cardiovascular diseases in the Eastern Mediterranean Region, 1990-2015: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

32. Fitzmaurice C., Khan EA. Burden of cancer in the Eastern Mediterranean Region, 2005-2015: findings from the Global Burden of Disease 2015 Study. International journal of public health. 2017. 

33. Mokdad AH., Khan EA. Danger ahead: the burden of diseases, injuries, and risk factors in the Eastern Mediterranean Region, 1990-2015. International journal of public health. 2017. 

34. Mokdad AH., Khan EA. Diabetes mellitus and chronic kidney disease in the Eastern Mediterranean Region: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

35. Mokdad AH., KhanEA. Burden of diarrhea in the Eastern Mediterranean Region, 1990-2015: Findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

36. Mokdad AH., Khan EA. Intentional injuries in the Eastern Mediterranean Region, 1990-2015: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

37. Mokdad AH., Khan EA. Maternal mortality and morbidity burden in the Eastern Mediterranean Region: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

38. Mokdad AH., Khan EA. The burden of mental disorders in the Eastern Mediterranean region, 1990-2015: findings from the global burden of disease 2015 study. International journal of public health. 2017.

39. Mokdad AH., Khan EA. Neonatal, infant, and under-5 mortality and morbidity burden in the Eastern Mediterranean region: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

40. Mokdad AH., Khan EA. Burden of obesity in the Eastern Mediterranean Region: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

41. Mokdad AH., Khan EA. Burden of lower respiratory infections in the Eastern Mediterranean Region between 1990 and 2015: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

42. Mokdad AH., Khan EA. Transport injuries and deaths in the Eastern Mediterranean Region: findings from the Global Burden of Disease 2015 Study. International journal of public health. 2017.

43.  Mokdad AH., Khan EA. Trends in HIV/AIDS morbidity and mortality in Eastern Mediterranean countries, 1990-2015: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

44. Mokdad AH., Khan EA. Burden of vision loss in the Eastern Mediterranean region, 1990-2015: findings from the Global Burden of Disease 2015 study. International journal of public health. 2017. 

45. Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks, 1990-2016: a systematic analysis for the Global Burden of Disease Study 2016. Lancet (London, England). 2017;390(10100):1345-422. 

46. Global, regional, and national age-sex specific mortality for 264 causes of death, 1980-2016: a systematic analysis for the Global Burden of Disease Study 2016. Lancet (London, England). 2017;390(10100):1151-210. 

47. Global, regional, and national disability-adjusted life-years (DALYs) for 333 diseases and injuries and healthy life expectancy (HALE) for 195 countries and territories, 1990-2016: a systematic analysis for the Global Burden of Disease Study 2016. Lancet (London, England). 2017;390(10100):1260-344.

48.  Global, regional, and national burden of neurological disorders during 1990-2015: a systematic analysis for the Global Burden of Disease Study 2015. The Lancet Neurology. 2017;16(11):877-97.

49. Measuring progress and projecting attainment on the basis of past trends of the health-related Sustainable Development Goals in 188 countries: an analysis from the Global Burden of Disease Study 2016. Lancet (London, England). 2017;390(10100):1423-59. 

50. Global, regional, and national under-5 mortality, adult mortality, age-specific mortality, and life expectancy, 1970-2016: a systematic analysis for the Global Burden of Disease Study 2016. Lancet (London, England). 2017;390(10100):1084-150. 

51. Global, regional, and national incidence, prevalence, and years lived with disability for 328 diseases and injuries for 195 countries, 1990-2016: a systematic analysis for the Global Burden of Disease Study 2016. Lancet (London, England). 2017;390(10100):1211-59.