Write the causative agents of the following:
(i) kala azar
(ii) ascariasis
(iii) acne
(iv) SARS
Leishmania is a protozoan and it causes kala-azar. The staphylococcus-a bacterium that causes acne). Ascaris lumbricoides hominis causes ascariasis. SARS is caused by a strain of coronavirus, the same family of viruses that causes the common cold.