Pathogens

Front

Causative agent: Bacteria, fungi, virus, parasite

Back

Bacteria, fungi, virus, parasite

Front

Susceptible host: Chronic disease. Immunosuppression surgery diabetes

Back

Chronic disease, Immunosuppression, surgery, diabetes

Front

Source of reservoir

Back

Chronic

Front

More of transmission

Back

Direct contact: shaking hands; indirect contact: door handles; airborne: TB droplet within 3 feet; common vehicle: many sick; vector: rats, bugs, for mite equipment.

Front

Portal of entry: Mucous membranes, no intact skin, urinary tract, GI tract, blood

Back

Mucous membranes, no intact skin, urinary tract, GI tract, blood

Front

Portal of exit

Back

Blood body fluids, secretions