What would be most effective for improving healthcare in developing countries? 

A)  implementing better cooking technology 
B)  implementing better exercise programs 
C)  immunizing people against the measles 
D)  implementing oral rehydration therapy

Healthcare

The organized provision of medical care to individuals or a community, including preventative, curative, and palliative services.

Oral Rehydration Therapy

A simple, cost-effective treatment involving the oral intake of water mixed with salts and sugars to prevent dehydration from diarrhea.

Immunizing

The process of making someone immune to a disease by administering a vaccine, which stimulates the body’s immune response against the disease.