placing patients in negative pressure rooms

wearing gloves, gowns, masks

isolating patients in private rooms

attentiveness of health care providers and patients to hand washing

more

less

most susceptible to control

best understood

easiest to identify

most resistant to control

Immunizations

All of the choices are correct

Antimicrobial agents

Water treatment

Strict sanitation guidelines

Destruction of vectors by spraying insecticides

Destruction of an animal reservoir of the infectious agent

Treatment of sewage to reduce water contamination

All of the choices are used to reduce or eliminate the source of an infection.

an infectious disease with humans as the only reservoir

an infectious disease with soil as the only reservoir

an infectious disease with wild animals as a reservoir

an infectious disease with several possible reservoirs

immunization

sanitary water and waste disposal methods

forced quarantine

genetic engineering

eliminating sources of infection

sterilizing water

eliminating susceptible individuals

improving the palatability of water.