Multiple choice Which of the following diseases is caused by a virus: Ploimyetis Malaria Whooping Ring worm Reveal answer Fill a bubble to check yourself A Correct answer Explanation Polio is caused by the poliovirus, which is a viral infection. Malaria is caused by a protozoan (Plasmodium), whooping cough is bacterial (Bordetella pertussis), and ringworm is a fungal infection.