Pizinto zazibaluleke njengembewu. Nokho, phakathi nekhulu lama-20, ama-94% ezinhlobonhlobo zalezi zimbewu ezazikhona kusukela ekuqaleni kwesintu zanyamalala. Nakuba izinkampani ze-biotech zenze lo mkhakha wangasese ngokuphelele, abalimi, ososayensi, abameli kanye nabantu bomdabu balwa kanzima ukuze bavikele iminyaka eyi-12000 yamagugu okudla.