NIPAH VIRUS
Virus Nipah in the cerebrospinal fluid of an infected patient (TEM, recolorized imagery). Nipah virus is a RNA virus from the Paramyxoviridae family and the genus Henipavirus. Its natural reservoirs (reservoirs) are bats from the genus Pteropus (P. hypomelanus, P. vampyrus, P. lylei, P. giganteus). In 1998, the first cases of transmission to domestic animals (pigs, amplificator host) then to mankind were discovered in Malaysia. The Nipah virus is at the origin of a lethal encephalitis in a man. Nipah Virus > Henipavirus > Paramyxoviridae > RNA Virus > Virus. This transmission electron micrograph (TEM) depicted a number of Nipah virus virions that had been isolated from a patient's cerebrospinal fluid (CSF) specimen. Nipah virus is a member of the family Paramyxoviridae, and is related, but not identical to Hendra virus. Nipah virus was initially isolated in 1999 upon examining samples from an outbreak of encephalitis and respiratory illness among adult men in Malaysia and Singapore. Infection with Nipah virus was associated with an encephalitis (inflammation of the brain) characterized by fever and drowsiness and more serious central nervous system disease, such as coma, seizures, and inability to maintain breathing. Illness with Nipah virus begins with 3-14 days of fever and headache. This is followed by drowsiness and disorientation characterized by mental confusion. These signs and symptoms can progress to coma within 24-48 hours. Some patients have had a respiratory illness during the early part of their infections.
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Photo credit: © CDC/C.GOLDSMITH / BSIP / Alamy / Afripics
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