1. Immunity to Diphtheria among Medical Students of a Tertiary Hospital, North Kerala- Letter to Editor, Indian Journal of Public Health ¦ Volume 66 ¦ Issue 3 ¦ July-September 2022.
2.Re-emergence of Diphtheria in Malappuram District, North Kerala, India – Original article Sheena Krishnan, Pushpa Kizhakkekarammel, Kalpana George, Jaichand Johnson, Rejitha Kurkanari, Geetha Raveendran, JACM, 2018 January-June, Vol. 20, lssue L, p 37'39.
3. Repeated Outbreak of Paratyphoid Fever- An Ongoing Threat in North Kerala; Pushpa Kizhakkekarammel, Ajith Kumar V T, Rekha Rechal Philip, Geetha Raveendran.
4. Methicillin Resista nt Staphylococcus aureus- Clinico Microbiological Correlation in a Tertiary Care Centre. Pushpa Kizhakkekarammel, Kalpana George, Girija K.R, lnternational Journal of Medical Science and lnnovative Research (lJMSlR), 2018,February, Volume 03, lssue 01, p 176-181.
5. Profile and Drug Susceptibility pattern of Gram negative Bacterial isolates- A Retrospective Institutional Study, Pushpa Kizhakkekarammel, Kalpana George, Journal of Medical Science And Clinical Research, 2018,February, Volume 06,, lssue 02, p 657-663.
6. Amoebic vs pyogenic liver abscesses: A comparative study in a tertiary care hospital Original article Ardra R. Menon, Pushpa K. Kizhakkekarammal, Girija K. Rao Department of Microbiology, Government Medical College, Thrissur, Kerala, Indian Journal of Clinical Microbiologists, Official Publication of Academy of Clinical Microbiologists Volume17 * Issue 2 * July - December 2015
Work pending Publication
Part of Multi centric study on COVID 19 “Combined surveillance and Effective COVID 19 Testing Frame works and Tool” CODEST Multi centric study , Project leader Dr. Anurag Agrawal, CSIR Institute of Genomics and Integrative Biology (IGIB), Delhi, Dr. Sridhar Sivasubbu, CSIR Institute of Genomics and Integrative Biology (IGIB), Delhi, Dr. Souvik Maiti, CSIR Institute of Genomics and Integrative Biology (IGIB), Delhi. Name of the Investigator(s) from CSIR IGIB:Dr Vinod Scaria,