They are mostly concerned with people returning home from the Olympics in Rio de Janeiro, because Brazil has been hit hard by the virus.
“Continue using insect repellent to prevent spreading the virus to mosquitoes in your community upon your return and refrain from unprotected sex so you don’t pass the virus to your partner,” Dr. Karen Smith, director for the California Department of Public Health, said in a statement.
Now they tell everyone. What could possibly go wrong??
California authorities attribute the rise due to 'travelers' to infected areas.
At least there is no known "native" infestation.
Yes, you are right, Rio travelers coming back from the Olympics could begin a regional infestation.
More about the Zika virus is being learned, almost daily .