在学校公共卫生课上，Alice想向同学们介绍夏季易感染的寨卡病毒（Zika virus），请根据以下图解，帮她完成介绍（每空不超过三个词）。

    The Zika virus is mainly spread by mosquito bites. About 1 in 5 infected people will get ill. That means if 500 people get the virus, aboutpeople will probably get sick. The symptoms include fever, rash, joint pain and red eyes. It will last up to a. Once you have the illness, there is no treatment or vaccine. But thankfully the illness is not very serious and it won't cause much. The best and simplest way to prevent is to wear long shirts orand keep away from mosquitoes.