3. A 30 year old male patient who was a contractor and building inspector in the Greater Accra region complained of difficulty breathing and was admitted to the Greater Accra
Regional hospital with severe respiratory disease. The Physician noted a high fever and
cough. Two days before, the patient had inspected an old warehouse, abandoned and
infested with rodents. The patient was given intravenous antibiotics, but 2 days into
therapy the pneumonia worsened and he developed pulmonary edema.
a) Which organism should be suspected of causing this illness?
[2 marks]
b) What are the conditions under which Gram positive bacteria can appear Gram
negative?