Eighty percent of people who carry the Zika virus never have symptoms. In those who do, the most recurrent Zika virus symptoms are rash and fever; it can also cause joint and muscle pain, headache, pain behind the eyes, and conjunctivitis (itchy, red eyes), as stated by the World Health Organization (WHO). Health experts at the WHO Regional Office for the Americas have observed that symptoms generally last two to seven days. Unusual complications may comprise internal bleeding, which provoked the first U.S. Zika-related death in Puerto Rico in April. Nine deaths as of 10/27/2016 have been imputed to Zika virus in the recent epidemic. Research points to a possible link to higher rates of Gullian-Barre syndrome — a condition in which the immune
