Postingan

Menampilkan postingan dari Maret, 2022

ENSIKLOPEDIA VIRUS DALAM SEJARAH MANUSIA

Gambar
Social history of viruses From Wikipedia, the free encyclopedia Young polio victims receiving physiotherapy in the 1950s The  social history of viruses  describes the influence of  viruses  and viral infections on human history.  Epidemics  caused by viruses began when human behaviour changed during the  Neolithic period , around 12,000 years ago, when humans developed more densely populated agricultural communities. This allowed viruses to spread rapidly and subsequently to become  endemic .  Viruses of plants  and livestock also increased, and as humans became dependent on agriculture and farming, diseases such as  potyviruses  of potatoes and  rinderpest  of cattle had devastating consequences. Smallpox  and  measles  viruses are among the oldest that infect humans. Having evolved from viruses that infected other animals, they first appeared in humans in Europe and North Africa thousands of years ago...