it depends what the duck has been eating.
Toxoplasmaosis
Yes, toxoplasmosis, which can be transmitted by careless handling of cat feces, can affect the brain.
Chickenpox is not transmitted by any feces, including human feces. Only humans and a few primates get chickenpox.
Gastroenteritis is transmitted by fecal-oral route. Feces are transmitted to another person through infected water, hands or flies.
E. Coli
Toxoplasmosis
toxoplasmosis
Feces has bacteria that could cause an infection in the cut.
The larvae of the Baylisascaris procyonis roundworm, which can be contained in the feces of raccoons, can be transmitted to humans and pets and can be dangerous.
Worms
It usually is transmitted directly to humans from birds in their saliva or feces. It is very rare to begin with in humans and only rarely is transmitted from human to human. Birds transmit it to each other in feces and saliva and direct contact.
Chloria is an interactive avatar-based forum community web site that is currently in open-beta. Cholera is an infection of the small intestine, which can be transmitted onto a person when they eat or drink something that is contaminated by an infected person's feces.