Pertussis, also known as whooping cough, is a highly contagious respiratory disease. It is caused by the bacterium Bordetella pertussis. Pertussis is known for uncontrollable, violent coughing which often makes it hard to breathe.
Kala-azar is a sandfly-borne disease, infections and death from which often reach epidemic proportions. What is it known as in medical terminology?
Which of these is a disease associated with the absence of nicotinic acid in the diet, characterised by dermatitis, mild diarrhea and delirium?
