Which of the following are true about Campylobacter? 

1. Campylobacter enteritis is an important cause of acute diarrhea
2. It is never seen in India
3. It is typically caused by Campylobacter jejuni or Campylobacter coli, and is largely a foodborne disease.
4. Campylobacter infection can also be transmitted via water-borne outbreaks and direct contact with animals or animal products.