Although cats are popular pets found in about 30% of American households, human infection appears to be rare.
AIDS patients and other immunocompromised people face the greatest risk of dangerous complications.
Gum disease is most common among young people. Gum disease occurs from not brushing and taking care of your teeth properly
The most common ailment among any humans is the common cold.
Malaria
A lung disease, common among miners
Disease
the most common disease among young Americans is "narcissism"
Humans - poachers
Sickle cell disease is more common among blacks than among people of other races.
Leukemia
In very rare cases it is possible for humans to contract the disease pasteurellosis. Pasteurellosis is highly contagious among rabbits.
For humans, a motor skill that is common among all cultures.