Dr. Samarasimha Reddy N

MBBS, MD (Community Medicine)
Scientist-E (Medical)  
Clinical Epidemiology Division


Email:  drsamarareddy@gmail.com
Contact:  +91-40-27197297

Brief Profile

Currently working at Clinical epidemiology division. He Has completed MBBS and MD in community Medicine from Dr. NTR university of Health Sciences. After his MD in community medicine, he worked as Young Investigator at Christian Medical College, Vellore during which he was involved in coordinating the “Rotavirus virus vaccine impact assessment and Intussusception surveillance in India” an ICMR Task force project which was carried out at 35 sentinel hospitals spread across ten states of India. As a part of this project he has identified, established, and carried out the acute gastroenteritis and intussusception surveillance at the sentinel hospitals. He was also involved in updating of the demographic surveillance area, which originated in work being done previously in the 43 urban and rural areas of Vellore following 150,000 populations residing in 34,000 families on a regular basis. He is also familiar with advanced data analysis techniques using different statistical analysis tools.


His research Interests are to build a platform to facilitate clinical, epidemiological, Socio-behavioural, and interventional health research related to nutrition. He is also interested in evaluations of nutrition related public health intervention and generating evidence for informed health decisions through secondary data analysis.

Publications: 21
  1. Reddy SN, Nair NP, Tate JE, Thiyagarajan V, Giri S, Paraharaj I, et al. Intussusception after Rotavirus Vaccine Introduction in India. N Engl J Med. 2020 Nov 12;383(20):1932–40.
  2. Reddy N. S, Sindhu KN, Ramanujam K, Bose A, Kang G, Mohan VR. Exclusive breastfeeding practices in an urban settlement of Vellore, southern India: findings from the MAL-ED birth cohort. Int Breastfeed J. 2019 Jun 27;14(1):29.
  3. Bhandari N, Antony K, Balraj V, Rongsen-Chandola T, Kumar T, Sinha B, Reddy SN et al. Assessment of risk of intussusception after pilot rollout of rotavirus vaccine in the Indian public health system. Vaccine. 2020 Jun 16;
  4. Choudhary TS, Reddy NS, Apte A, Sinha B, Roy S, Nair NP, et al. Delayed vaccination and its predictors among children under 2 years in India: Insights from the national family health survey–4. Vaccine. 2019 Apr 17;37(17):2331–9.
  5. Shrivastava AK, Reddy NS, Giri S, Sahu PS, Das M, Mohakud NK, et al. Burden and Molecular Epidemiology of Rotavirus Causing Diarrhea among Under-Five Children: A Hospital-based Study from Eastern India. J Glob Infect Dis. 2019 Dec;11(4):147–52.
  6. Nair NP, Reddy SN, Giri S, Mohan VR, Parashar U, Tate J, et al. Rotavirus vaccine impact assessment surveillance in India: protocol and methods. BMJ Open. 2019 Apr 1;9(4):e024840.
  7. Reddy S, Nair NP, Giri S, Mohan VR, Tate JE, Parashar UD, et al. Safety monitoring of ROTAVAC vaccine and etiological investigation of intussusception in India: study protocol. BMC Public Health. 2018;18:898
  8. Sharma SL, Reddy N S, Ramanujam K, Jennifer MS, Gunasekaran A, Rose A, et al. Unintentional injuries among children aged 1–5 years: understanding the burden, risk factors and severity in urban slums of southern India. Inj Epidemiol. 2018;5:41.
  9. Ghoshal V, Nayak MK, Misra N, Kumar R, Reddy N S, Mohakud NK. Surveillance and Molecular Characterization of Rotavirus Strains Circulating in Odisha, India after Introduction of Rotavac. Indian J Pediatr. 2021 Mar 1;88(1):41–6.
  10. Pradhan SK, Dash M, Ray RK, Mohakud NK, Das RR, Satpathy SK, Reddy SN et al. Childhood Intussusception after Introduction of Indigenous Rotavirus Vaccine: Hospital-Based Surveillance Study from Odisha, India. Indian J Pediatr. 2021 Mar;88(Suppl 1):112–7.
  11. Badur M, Pidugu VKR, Kasala L, Samarasimha Reddy N , Thiyagarajan V. Acute Gastroenteritis in Children Below 5 Years of Age at Tirupati, Andhra Pradesh, India Post Introduction of Rotavirus Vaccine into National Immunization Programme. Indian J Pediatr. 2021 Mar;88(Suppl 1):4–9.
  12. Kumar CPG, Reddy SN, Subramanian S, Shenoy A, Maniam R, Dorairaj P, et al. Epidemiology of Intussusception Hospitalizations in Children Under 2 Years of Age Post Rotavirus Vaccine Introduction in Tamil Nadu and Puducherry, India. Indian J Pediatr. 2021 Mar;88(Suppl 1):124–30.
  13. Goru KB, D M, Muppidi VP, Nadipena J, Ravula M, K B, Reddy SN et al. Two-Year Prevalence of Rotavirus Among Under-Five Children Admitted with Acute Gastroenteritis in Andhra Pradesh, India. Indian J Pediatr. 2021 Mar 1;88(1):72–7.
  14. Mohanty P, Kumar D, Mansingh A, Thiyagarajan V, Reddy SN, Ray RK. Rotavirus Gastroenteritis Hospitalizations Among Under-Five Children in Bhubaneswar, Odisha, India. Indian J Pediatr. 2021 Mar;88(Suppl 1):53–8.
  15. Pradhan SK, Panigrahi S, Padhi PS, Sajeev A, Dharmaraj A, Reddy N S, et al. Clinical Profile, Risk-Factors, and Outcome of Rotaviral Diarrhea and Non-rotaviral Diarrhea Among Under-Five Children at Cuttack, Odisha, India. Indian J Pediatr. 2021 Mar;88(Suppl 1):84–9.
  16. Ghosh S, Sarkar S, Simhareddy S, Kotne S, Rao PBA, Turlapati SPV. Clinico-morphological profile and receptor status in breast cancer patients in a South Indian Institution. Asian Pac J Cancer Prev. 2014;15:7839–42.
  17. Reddy N. A Randomized Control Trial of Partial Middle Turbinate Resection in Functional Endoscopic Sinus Surgery. Indian J Public Health Res Dev. 2015;6.
  18. Amarnath M, VV DP, Reddy N, Simha S. Pre-diabetes among Medical students in a Medical College, Andhra Pradesh. Indian J Public Health Res Dev. 2014;5.
  19. Sree MS, Mishra S, Jena S, Patnaik S, Begum J, Reddy NSS. Study on Spiritual Dimension of Health among Medical Students in Coastal Andhra Pradesh. Int J Health Sci Res. 2014;4:16–20.
  20. Lavanya S, Chandra GK, Reddy N. A Study on Role of Estrogen in Pathogenesis of Pregnancy Tumor in Andhra Pradesh. Indian J Contemp Dent. 2015;3:69–72.
  21. Santosh KB, Reddy SSN. Diagnostic Nasal Endoscopic findings (DNE) of a partial middle turbinate resection in Functional Endoscopic Sinus Surgery (FESS). J Evol Med Dent Sci. 2013;2:5641–8.


Awards and Honours

To be updated