Hirsh said he did not know where the man acquired West Nile
The [number of cases] reported thus far in 2012 is the highest number of West Nile
virus disease cases reported to CDC through the second week in August since West Nile
virus was first detected in the United States in 1999," wrote CDC's Kristen Nordlund in an email.
Symptoms include fever, headache, body ache and swollen lymph nodes but 80 percent of West Nile
victims show no symptoms at all.
virus activity in Latin America and the Caribbean.
The crow found in a residential yard in the Gateway area of Springfield was the first of 16 birds checked this year in Lane County to test positive for the virus, said Tamara Wilhite, West Nile
virus coordinator for Lane County Public Health.
In the new study, Murphy and his colleagues worked with researchers in Arizona and Colorado to analyze blood and spinal-fluid samples from 395 people in those states who had been infected with West Nile
Despommier says that this same pattern is also discernible in recent West Nile
outbreaks in Israel, South Africa and Romania.
The company introduced a vaccine line combining the original West Nile
protection with additional protection against up to three strains of EEE.
The mosquito-home virus gets its name from the West Nile
region of Africa, where it was first identified in the 1930s.
At its worst, West Nile
has been known to cause encephalitis, neurological problems and even death.
The appearance of West Nile
Virus in recent years is perhaps the most well-documented introduction of a new, vector-borne human pathogen into the U.
virus was thought to spread to humans only via mosquito bites.