Long term effects of west nile virus

The five who tested positive all had a history of high blood pressure. Some of the five patients complained of ongoing symptoms like feeling weak or tired, or having problems with their memory. It is not known if these symptoms were related to their West Nile virus infection. Attempts to grow the virus from urine of these five patients were not successful.

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. All people in the January article had West Nile virus encephalitis during their initial illness. It is not known how many people who have had West Nile virus encephalitis might have persistent West Nile virus in their urine.

It is also not known if people who have had West Nile fever or asymptomatic West Nile virus infection can have similar findings.

In two subsequent U. The sample was obtained from a urine collection bag connected to an indwelling urine catheter. The patient died at 57 days after symptom onset, and additional urine samples could not be collected for further testing. Learn more about the causes and treatment….

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