Analyze the following statements about infectious diseases:
- HIV attacks the immune system by targeting CD4 cells.
- Hepatitis C is primarily transmitted through blood-to-blood contact.
- Tuberculosis is caused by Mycobacterium tuberculosis.
- Rabies is a viral infection that can be fatal if not treated promptly.
Which of the following options correctly identifies the true statements?
1
Only 2, 3, and 4 are true
2
Only 1, 2, and 3 are true
3
Only 1, 3, and 4 are true
4
All statements are true