Read the following Assertion and Reason and choose the correct option. Assertion: The eradication of smallpox was achieved through extensive use of antibiotics. Reason: Smallpox was eradicated through the use of vaccines and immunization programs.

Step-by-step solution

For diseases such as malaria and filariasis that are transmitted through insect vectors, the most important measure is to control or eliminate the vectors and their breeding places. This can be achieved by avoiding stagnation of water in and around residential areas, regular cleaning of household coolers, use of mosquito nets, introducing fishes like Gambusia in ponds that feed on mosquito larvae, spraying of insecticides in ditches, drainage areas and swamps, etc. In addition, doors and windows should be provided