Polio had been epidemics before the 19th century. Slowly the incidents are decreasing. Nowadays polio is still a threat in developing contries, for example our beloved country, Indonesia. Indonesia planning on eradicate this viral disease through vaccin in 2010.
The effects of polio have been known since prehistory; Egyptian paintings and carvings depict otherwise healthy people with withered limbs, and children walking with canes at a young age.

No comments:
Post a Comment