Is West Nile virus eradicated?
Ultimately these may be used to protect humans at risk during epidemics, but because of its natural bird-mosquito cycle, West Nile virus will never be eradicated. Active surveillance and early mosquito control measures may offer the best hope for disease control in the future.
How long did the West Nile virus last?
Symptoms can last a few days up to several weeks. They usually go away on their own. Contact your doctor if you have any of these symptoms and have recently been bitten by a mosquito. About 1 in 150 people who are infected with West Nile virus develop a more severe illness.
Why did Dallas have a West Nile outbreak in 2012?
And the summer of 2012 was rainy, with lots of chances to create the tiny standing puddles West Nile mosquitoes need to reproduce. People living in affluent neighborhoods in north central Dallas were most likely to get infected in 2012. Those neighborhoods were also hit hardest in the 2006 outbreak.
Can you get West Nile virus in Texas?
West Nile Virus (WNV) is a potentially serious illness that occurs in North Texas during the summer and fall months. This illness is spread by mosquito bite.
Is there a vaccine for West Nile?
Currently, there is no licensed WNV vaccine for people. In 2005, the U.S. Department of Agriculture licensed a DNA vaccine to prevent WNV in horses, and since then, at least four other types of WNV vaccines have been approved for use in horses.
Why is there no West Nile vaccine for humans?
Since the introduction of WNV into North America, a number of different vaccine approaches have been developed; but to date, none has yet been approved for use in humans. One of the problems in developing a WNV vaccine is that the groups most at risk for severe disease are the elderly and the immunocompromised.
Is there a cure for WNV?
No vaccine or specific medicines are available for West Nile virus infection. In severe cases, patients often need to be hospitalized to receive supportive treatment, such as intravenous fluids, pain medication, and nursing care.
Was West Nile virus a pandemic?
WNV is established as a seasonal epidemic in North America that flares up in the summer and continues into the fall.
Which state was most affected by West Nile virus in 2012?
In 2012, an unprecedented outbreak of WNV occurred in Texas; ≈1,900 cases were reported. The objective of this study was to understand the epidemiology of the 2012 WNV outbreak in Texas.
How common is West Nile virus in Texas?
There were 122 cases of West Nile disease in Texas last year and 24 deaths. * Over the last five years, Texas has had 805 cases and 63 deaths. Mosquitoes remain active in much of Texas into November and December. * Cases and attributed deaths data for 2020 are provisional.
Is West Nile contagious?
West Nile virus is most commonly spread to people by the bite of an infected mosquito. Mosquitoes become infected when they feed on infected birds. Infected mosquitoes then spread West Nile virus to people and other animals by biting them.