Phage therapy involves using bacteriophages to treat bacterial infections. Bacteriophages are viruses that infect and destroy bacteria. There are two main types of bacteriophages - lytic phages, which quickly reproduce within and destroy their host bacteria, and lysogenic phages, which integrate their DNA into the host bacteria and do not immediately kill them. Phage therapy was discovered in the early 20th century and was widely used in the former Soviet Union, though it is still being tested for use elsewhere. The advantages of phage therapy include specificity to bacteria, natural replication, and low risk of resistance development. Challenges include potential immune reactions after intravenous use and the need to culture phages that target the

1. بسم الله الرحمن الرحيم

2. Phage Therapy Fatma F. Abu-Qados To: Dr.Abdelraouf A. El-Manama 30.01.11

4. Hello .. I’m Phage

8. Lytic cycle …

9. Attachment

10. More & More

11. Penetration & swelling

12. Lyses

13. Spreading

26. Topical use ..

29. Phage on Wounds

35. Questions ?