The Normal Hosts for St. Louis Encephalitis Virus Are

Question

The normal hosts for St. Louis encephalitis virus are
A) birds.
B) small mammals.
C) horses.
D) humans.
E) horses and humans.

Accepted Answer

The normal hosts for St. Louis encephalitis virus are birds. Although the virus can occasionally infect other animals, such as humans and horses, they are considered dead-end hosts and do not contribute significantly to the transmission cycle of the virus.