The symptoms develop over hours to a few weeks. It’s about typically changes in sensation or pain along with muscle weakness, beginning in the feet and hands. This often spreads to the arms and upper body with both sides being involved. During the acute phase, the disorder can be life-threatening with about 15% developing weakness of the breathing muscles requiring mechanical ventilation. Dangerous abnormalities in heart rate and blood pressure are also possible. Recovery may take weeks to years.
Globally death occurs in about 7.5% of those affected. Zika’s usually not serious except in case of pregnant women but it can very rarely cause fatal complications. A Puerto Rico man died in April. The U.S. declared last week.a state of emergency because Zika in Puerto Rico.