A gardener with severe pneumonia, hyponatraemia and diarrhoea has a negative Legionella urinary antigen test. He frequently handles potting compost.

Question

A gardener with severe pneumonia, hyponatraemia and diarrhoea has a negative Legionella urinary antigen test. He frequently handles potting compost. Which test is most important next?

Accepted Answer

Send lower-respiratory material for Legionella PCR and culture across species and serogroups

Answer

Send multiplex viral PCR and defer Legionella respiratory testing pending the result

Answer

Request pneumococcal serology and fungal culture as the compost-associated test panel

Answer

Repeat Legionella urinary antigen and request convalescent serology before respiratory sampling

Answer

Send a throat swab for routine culture and targeted Legionella susceptibility testing

Fusobacterium Infection — SCE Infectious Diseases MCQ

A gardener with severe pneumonia, hyponatraemia and diarrhoea has a negative Legionella urinary antigen test. He frequently handles potting compost. Which test is most important next?