He could not pull out yet, for vector control was too sluggish.
Today, about 3-4,000 tonnes each year are produced for vector control.
This is one of several compounds used for vector control of Triatoma.
These coils keep it centered, and also give all the vector control we need.
"There really isn't any evidence that points to vector control," he said at the hearing.
However, as public health departments are often short on funding, preventive measures seem to be more recommended over vector control.
Both prevention through vector control and treatment are needed to protect populations.
The most used method of vector control is pesticides.
Other chemicals for vector control had not been invented yet.
For these reasons, people mostly use other chemicals for vector control.