Draining swamps is contingent on geography. It is just not an option in Africa.
So, how much malaria is there in the swamps of Everglades and Okeechobee?
Besides, which geography prevents swamp draining in, say, Kenya or Tanzania?
Draining swamps is contingent on geography. It is just not an option in Africa.
So, how much malaria is there in the swamps of Everglades and Okeechobee?
Besides, which geography prevents swamp draining in, say, Kenya or Tanzania?