The cases were the first in 20 years to be acquired in the U.S., with no links to travel outside the country. The last such local cases were identified in 2003 in Palm Beach County, Florida.
The cases were the first in 20 years to be acquired in the U.S., with no links to travel outside the country. The last such local cases were identified in 2003 in Palm Beach County, Florida.
We still use DDT to control malaria.
In the United States DDT has been banned since 1972, but it is used in other countries still. You might be thinking of DEET, which has a similar name, but is not the same chemical.