First found in monkeys in Uganda in 1947. years later, it showed up in people. And it has spread to other parts of the world, recently it has come to the Americas, Caribbean, and Pacific.It can cause serious problems for pregnant women and their babies. You can also get it through sex, even if neither person has symptoms of the virus. Scientists have found Zika in saliva, urine, and breast milk, but experts need more research to know how else it spreads.Currently there is no vaccine or medicine for Zika.
Ar human illness spread by mosquitoes and caused by a California encephalitis virus group. This condition is has been found in the midwestern United States and primarily affects children between 5-10 years of age.
is not a public health concern in North America, but people who travel to or have lived in other areas of the world may be at risk and should be familiar with the symptoms of the disease and the drugs used to prevent infection.
West Nile Virus
The virus was previously found in parts of Europe, Asia, Africa and in 1999 was found in the United States.
It was probably introduced into this country by an infected bird or mosquito.