Consider the following statements regarding the Pneumococcal Conjugate Vaccine (PCV) as used in India's immunisation programme:

1. It protects children against diseases such as pneumonia, meningitis and sepsis caused by pneumococcal bacteria.

2. Its wider use is expected to reduce reliance on antibiotics against drug resistant bacterial strains.

3. It has been found to have no side effects or allergic reactions of any kind.

Which of the statements given above are correct?