The overwhelming number of people infected with rabies in India has been flagged by the World Health Organization as a source of concern. It is estimated that inoculating $70\%$ of pets and stray dogs against rabies can lead to a significant reduction in the number of people infected with rabies.
Which of the following can be logically inferred from the above sentences?
- The number of people in India infected with rabies is high.
- The number of people in other parts of the world who are infected with rabies is low.
- Rabies can be eradicated in India by vaccinating $70\%$ of stray dogs.
- Stray dogs are the main source of rabies worldwide.