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Dr Jonathan Cohen

Dr Jonathan Cohen


Consultant in paediatric infectious diseases and immunology

Specialises in childhood infections and recurrent infections with concerns about immune deficiency. 


Dr Jonathan Cohen is a consultant in general paediatrics and paediatric infectious disease at Evelina London Children’s Hospital.

He received his bachelors with honours from Cambridge University in 1995 before receiving his Bachelors of Medicine from Oxford University in 1998. He has an MSc in clinical paediatrics and a PhD from the UCL Great Ormond Street Institute of Child Health following an MRC-funded fellowship investigating immunity against pneumococcal pneumonia. He trained for several years at Great Ormond Street and St Mary’s Hospitals and completed his training in Paediatric Infectious Diseases and Immunology in 2013.

He spent eight years further developing his practice as a consultant in general paediatrics and paediatric infectious diseases at UCLH, where he was divisional clinical director for children’s and adolescent services. He moved to the Evelina in 2021 where he currently leads the paediatric infectious diseases and immunology department.


  • Childhood infections.
  • Recurrent infections and concern about immune deficiency.
  • Congenital infection.
  • Tropical infections and post-travel symptoms.
  • Allergies.

Procedures/ treatments

  • Vaccinations, vaccine reactions and vaccination advice.

Special/ research interests

Dr Jonathan Cohen has diverse research interests which have included EBV, pneumococcal disease, tuberculosis, migrant health, COVID-19, PIMS-TS, bronchiolitis and monkeypox.

He has held several wider leadership roles is chair of the Royal College of Paediatrics Monkeypox Working Group. In 2017, he established and chairs the British Association for Paediatric Tuberculosis.

In 2015, he received a top teacher award from UCL Medical School. He is currently an honorary senior lecturer, and has lectured on topics in childhood infection around the world.

Membership of professional bodies

  • Royal College of Paediatrics and Child Health.
  • European Society for Paediatric Infectious Diseases.
  • Chair, British Association for Paediatric Tuberculosis.

Practice locations

Evelina London Children’s Hospital.