We visited some of the milder cases in the hospital at Bakhtaran in western Iran.
This is more time consuming and expensive and would pick up earlier and milder cases.
Eight others had milder cases of it, resulting in skin rashes, diarrhea or both.
For milder cases, air-conditioners, fans, and other masking devices can be helpful, especially at night.
In milder cases hives may spread over the whole body, and often there is a severe headache.
But it promises to cut the most severe cases of the illness by up to 80percentt, and vaccinated children who still get sick have much milder cases.
In milder cases it could involve a few days or a week of being unwell and then a steady return to normality.
The test, which also helps doctors diagnose West Nile fever, has led to more milder cases being reported than in the past, Dr. Gerberding said.
Social workers and judges are too quick to take children into care in milder cases of abuse, an inquiry has said.
Scientists also say that the death rate may not be as high as it appears, because some milder cases may not have been reported.
Adults tend to have milder cases of the illness than do children and the very old, who run the risk of dehydration due to diarrhea and vomiting.
