Consider the following statements:
1. Only Union Government can legislate on matters of prevention of the extension of infectious diseases from one State to another.
2. Under the Disaster Management Act, 2005, all powers to deal with a disaster are vested in the Central government.
3. The Epidemic Diseases Act, 1897, empowers state governments to prescribe regulations to prevent the spread of a disease.
How many of the above statements are correct?