Examine the chain of infection and the labels below. Chain of Infection
Portal of entry
D
Host A
Transmission
Portal of exit
с
Infectious B
agent
Reservoir
Which examples could match the labels A, B, C, and D in the diagram?
O A could be the nose B could be a human, C could be mucous membranes of the eye and D could be a virus
O A could be mucous membranes of the eye; B could be the nose, C could be a virus, and D could be a human
O A could be a virus, B could be a human; C could be the nose; and D could be mucous membranes of the eye.
O A could be a human; B could be a virus; C could be the nose and D could be mucous membranes of the eye.