The immune system and its effect on human health

The immune system and its effect on human health: author: Jaber Al-Qahtani language: Arabic publication date: 2013 book format: paperback publisher: Dar Al-Hadara for Publishing and Distribution number of pages: 780 book category: general health description: This book covers the definition of the immune system, as well as the definition of germs or bacteria and some diseases they cause, and methods of vaccination against viruses