The odds of getting the most severe forms of West Nile disease
Should I worry about West Nile?
Seek medical attention for symptoms such as severe headaches, high fever, stiff neck or confusion . A serious case of West Nile virus often requires hospitalization.
Who is at risk for getting West Nile virus?
Severe illness can occur in people of any age; however, people over 60 years of age are at greater risk . People with certain medical conditions, such as cancer, diabetes, hypertension, kidney disease, and people who have received organ transplants, are also at greater risk .
Is West Nile virus still a threat?
West Nile virus (WNV) remains a threat to horses . However, with the right vaccine and preventive measures, it’s not too late for horse owners to help protect their horses against this life-threatening disease.
How likely are you to get West Nile virus?
A small number of people ( about 1 in 150 ) who get infected with West Nile virus develop severe disease, called West Nile encephalitis or West Nile meningitis (inflammation of the brain or the area around the brain).
Does West Nile virus stay in your body?
Can people have persistent infection with West Nile virus? The findings of this study suggest that, in some people, West Nile virus may persist in the kidneys . There have been a few reports of persistent West Nile virus found in brain, spinal fluid, and blood of people who were immunocompromised.
What is the survival rate of West Nile virus?
What are the chances of dying from West Nile virus infection? The odds of getting the most severe forms of West Nile disease are about one in 150. The overall death rate in severe disease is about 10% . That makes the overall odds of dying from a West Nile infection about one in 1,500.
What are the long term effects of West Nile virus?
The most common long-term effects are depression, tremors, fatigue, memory problems, extremity weakness, word-finding difficulty and headaches . Since WNV arrived in North America in 1999, it has become the most common arboviral infection in the continent.
Where does the West Nile virus come from?
West Nile Virus (WNV) was first isolated in a woman in the West Nile district of Uganda in 1937. It was identified in birds (crows and columbiformes) in Nile delta region in 1953.
How does West Nile virus affect the immune system?
WNV can cross the blood–brain barrier by one of several routes, including passive transport through the endothelium, infection of the olfactory neurons, transport by infected immune cells, inflammation-induced disruption of blood–brain barrier integrity, and direct axonal retrograde transport from infected peripheral ...
How long does it take for symptoms of West Nile virus to show up?
Most people infected with West Nile virus have only mild, flu-like symptoms that last a few days. Symptoms usually appear within 3 to 14 days of infection . About 20% of the people who become infected will develop West Nile fever.
How do they test for West Nile in humans?
A diagnosis of West Nile virus can be confirmed using blood tests . Someone who is infected with West Nile virus will have an increased level of antibodies against the disease. Antibodies are proteins produced by the immune system that attack foreign substances such as viruses, bacteria and other harmful organisms.
What does West Nile rash look like?
The rash of WNV is similar to many other viral rashes in that it can be nonspecific in nature. WNV rash typically consists of small pink spots – some raised and some flat – symmetrically distributed on the arms, legs, and trunk. It has been described as looking very much like roseola or measles .
What’s the New Mosquito Virus 2020?
The JCV virus is spread to people through bites from infected mosquitoes. Most cases occur from late spring through mid-fall. Illness can develop within a few days to two weeks following a bite from an infected mosquito. While most people do not become ill, initial symptoms can include fever, headache and fatigue.
What state has the most West Nile cases?
Colorado continues to be the most affected state (with 1,542 cases and 27 deaths... As of 11 September, 37 states have reported human cases of WNV. The cumulative total is 3,307 cases and 64 deaths.
How many states have West Nile virus?
West Nile virus infections in humans have been reported to CDC ArboNET from the following states: Alabama, Arizona, Arkansas, California, Colorado, Georgia, Idaho, Illinois, Iowa , Kansas, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Jersey, New York, North Dakota, Ohio, Oklahoma, ...
