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Subodh Adhikari, Speaker at Vaccines Conferences
Maharajgung Medical Campus, Nepal
Title : C. Freundii- Associated osteomyelitis and thromboembolic events following moderna COVID-19 vaccination: A rare case report from Nepal


Introduction: Vaccination against Coronavirus Disease 2019 (COVID-19) is essential for controlling the ongoing cases of this disease. Citrobacter infections of the bones and joints are extremely uncommon. Thromboembolism and deep vein thrombosis are very rare complications.

Case Presentation: We present a rare case of osteomyelitis, septic arthritis, deep venous thrombosis and pulmonary embolism in a 15-year-old previously healthy boy occurring shortly after receiving the second dose of the Moderna COVID-19 vaccine. He experienced pain, swelling in the right leg, shortness of breath, and fever, followed by chest pain and leg edema. Treatment included anticoagulation, ketorolac for pain management, antipyretics and intravenous antibiotics (Tazobactam/Piperacillin, Linezolid, Clindamycin) for osteomyelitis.

Discussion: The risk of Covid-19 vaccine-related thrombotic events is minimal.  Thrombotic events reported among mRNA is very rare. C.freundii bone and joint infections are very rare, accounting for small percentage of cases.Some documented cases include cefotaxime- resistant strains causing necrotizing fascitis and osteomyelitis,including post arthroplasty infections. Due to the diverse range of susceptibility patterns and the widespread occurrence of drug resistance, personalized treatment based on culture and sensitivity testing is recommended. However, in rare cases, severe complications like deep vein thrombosis and joint infections associated with Citrobacter infection may occur and should be reported to the Vaccine Adverse Events Reporting System (VAERS).

Conclusion: Administering COVID-19 vaccine to enhance natural antibodies is crucial, despite the low risk of infection, thromboembolism and deep vein thrombosis. Healthcare providers should stay vigilant about adverse effects post-vaccination and promptly report those cases.


Hello, I am Subodh Adhikari, a 24-year-old, energetic, and enthusiastic young man from the beautiful city of Pokhara, Nepal. I was born in a rural village in western Nepal and studied up to grade 2 in my village. I completed my school and +2 education at SOS Hermann Gmeiner School, Gandaki, located in Pokhara, Nepal. Being a proud SOS student has taught me a great deal about the well-being of society, and I am always focused on how I can make a positive impact on society.I achieved the first rank in my SLC (10th class) with a score of 91.125%, including 100 marks in Mathematics. I was the national topper in Social Studies for my batch. Following that success, I graduated with top marks from my +2 college. With a dream to serve my society, I decided to pursue a career in medicine to be a source of hope for many in need and to serve them.
Currently, I am a final-year medical student about to complete my MBBS degree from the prestigious Maharajgunj Medical Campus in Kathmandu, Nepal, also known as the Institute of Medicine. I have been enrolled in some of the research projects and have my 6/7 papers published in international journal.