Which of the following is a viral disease? 

A)  tuberculosis 
B)  Lyme disease 
C)  influenza 
D)  malaria

Viral Disease

Diseases caused by viruses, microscopic infectious agents that can infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea.

Influenza

A highly contagious viral infection of the respiratory passages causing fever, severe aching, and often occurring in epidemics.

Lyme Disease

An infectious disease caused by the Borrelia bacterium, which is transmitted to humans through the bite of infected black-legged ticks.