(CNN) -  Foot-and-mouth disease is an extremely communicable
viral disease affecting mainly cattle and pigs, but can affect
sheep, deer and other cloven-hoofed animals. It is normally
harmless to humans and not considered a public health risk, but
the virus can be spread to animals by humans on clothing and
shoes. Foot and mouth disease is different from hand, foot, and
mouth disease, which is only seen in humans.  About: It is a
member of the genus Aphthovirus in the family Picornaviridae,.
There are seven serotypes of foot-and-mouth disease and over 60
subtypes.  The disease is not generally fatal but the resulting
debilitation can lead to severe losses in milk and meat
production. The average mortality rate is less than 1% but can
be as high as 40%.  Symptoms include fever and blisters or
lesions on the tongue and lips, in the mouth, between the hooves
and on the teats and decreased milk production, lameness, and
reluctance to move.  The incubation period is 3 to 5 days from
contact to showing signs in an