Kasba virus Chuzan virus KASV A

serotype of Palyam virus in the genus Orbivirus. Isolated from Culex vishnui in North Arcot District, Tamil Nadu, India. Not reported to cause disease in humans.

Kasokero virus (KASV) An unassigned virus in the family Bunyaviridae, with Yogue virus comprises the Kasokero serogroup. Isolated from a fruit-eating bat, Rousettus aegyptiacus.

Zeller HG et al (1989) Arch Virol 108, 211

Kata virus Synonym for Peste des petits ruminants virus.

Kawasaki disease A mucocutaneous lymph node syndrome that has features of a virus infection but so far no causative agent has been discovered. Appeared in

Japan in the 1950s and now causes about 120 cases per 100 000 population, a sixfold higher incidence than in the USA. Can be confused with Stevens-Johnson syndrome.

Kawakami-Theilen strain of feline leukemia virus Isolated from a case of spontaneous lymphosarcoma in a Persian cat. Produces leukemia in kittens if injected when they are 1-2 days old but is not pathogenic in cats more than 5 months old. The development of antibodies prevents viremia and the induction of leukemia.

Salerno RA et al (1979) Proc Soc Exp Biol Med 160,18

Kawino virus (KaV) An unassigned entero-like virus isolated from Kawino village, Kenya from mosquitoes, Mansonia uni-formis, in 1973. No evidence of infection or disease in vertebrates.

Kazan virus A strain of Puumala virus, isolated from the rodent, Clethrionomys glareolus, in Russia.

Lundkvist et al (1995) J Virol Meth 52, 75

KB cells (CCL 17) A heteroploid cell line derived from an epidermoid carcinoma in the mouth of an adult human male.

K-Balb (K-234) cell line (CCL 163.3) A subline of CCL 163 derived after transformation with the Kirsten strain of murine sarcoma virus (K-MSV).

KBSH virus Name given to an early isolate of Porcine parvovirus from a human cell line. Parvoviruses have frequently been isolated from cell lines, and this may be the result of using infected pig trypsin. KBSH virus was isolated from a KB cell subline originating from a Hamburg laboratory.

Hallauer C et al (1971) Arch Virol 35, 80

Kedong virus Strain of Sheeppox virus.

Kedougou virus (KEDV) A mosquito-borne species in the genus Flavivirus. Isolated from a pool of mosquitoes, Aedes minu-tus, collected on human bait. Antibodies present in human sera but no evidence of pathogenicity for humans. Known to occur in Senegal and the Central African Republic.

Robin Y et al (1978) Ann Microbiol, Paris 129A, 239

Keishi virus A strain of Ibaraki virus.

Omori T (1970) Natl Inst Anim Hlth Quart 10 (suppl), 45

Kemerovo virus (KEMV) A serotype of Great Island virus in the genus Orbivirus. Isolated from female ticks, Ixodes persul-catus, and two humans with a febrile illness in western Siberia and also from a bird, Phoenicurus phoenicurus, in Egypt. Antibodies are found in humans, cattle, horses, small mammals and birds in Siberia.

Kenai virus (KENV) A serotype of Great Island virus in the genus Orbivirus.

kennel cough See Canine adenovirus, also Canid herpesvirus 1.

keratinocytes Skin cells of the keratinized layer of the epidermis.

Kerecid Trade name for idoxuridine eye drops.

Kern Canyon group A group of four sero-logically related unassigned rhabdo-viruses. They are: Barur, Fukuoka, Kern Canyon and Nkolbisson viruses.

Kern Canyon virus (KCV) An unassigned species in the family Rhabdoviridae, belonging to the Kern Canyon serogroup. Isolated from a bat in California, USA. Not reported to cause disease in humans.

Kernig's sign A sign of meningitis seen in a number of viral diseases such as Japanese encephalitis. The patient can easily and completely extend the leg when in the dorsal decubitus position but not when in the sitting posture or when lying with the thigh flexed upon the abdomen.

Ketapang virus (KETV) A serotype of Bakau virus in the genus Bunyavirus. Isolated from mosquitoes in Malaysia. Antibodies are found in humans but the virus is not associated with disease.

Ketarax Trade name for levamisole hydrochloride. See levamisole.

killer cells

Keterah virus (KTRV) An unassigned virus in the family Bunyaviridae. Isolated from ticks, Argas pusillus, and a bat, Scotophilus temmenckii, in western Malaysia. Not reported to cause disease in humans. Synonym: Issyk-kul virus.

Keuraliba virus (KEUV) An unassigned species in the family Rhabdoviridae, sero-logically related to Le Dantec virus. Isolated from gerbils and a rodent in Senegal. Not reported to cause disease in humans.

Keystone virus (KEYV) A serotype of California encephalitis virus in the genus Bunyavirus. Isolated from mosquitoes of Aedes sp in the Tampa Bay area of Florida; also in Texas, Louisiana, Mississippi, Georgia, N Carolina and Virginia, USA. The principal vector is Aedes atlanticus. The natural mammalian host has not been identified, but studies in Florida, Texas and Virginia suggest that cottontail rabbits, grey squirrels and cotton rats contribute to the maintenance of the virus. Not reported to cause disease in humans.

Fine PEM and Le Duc JW (1978) Am J Trop Med Hyg 27, 322

Watts DM et al (1979) Am J Trop Med Hyg 28, 344

Khabarovsk virus (KHAB) A species in the genus Hantavirus. Isolated from a vole, Microtus fortis, in far-eastern Russia. Serologically and genetically distinct from other hantaviruses. Disease potential unknown.

Horling J et al (1996) J Gen Virol 77, 687

Kharagysh virus (KHAV) A serotype of Great Island virus in the genus Orbivirus.

Khasan virus (KHAV) A serotype of Crimean-Congo hemorrhagic fever virus in the genus Nairovirus. Isolated from ticks, Haemaphysalis longicornis, in the Primorie region of Russia. Pathogenic when injected i.c. into suckling and 2-week-old mice. Replicates in primary cultures of chick, duck and green monkey cells without CPE. No hemagglutinin. Size 90-110nm and morphology typical of family Bunyaviridae.

Lvov DK et al (1978) Acta Virol 22, 249

KI-83-262 virus A serotype of Seoul virus in the genus Hantavirus.

KI-85-1 virus A serotype of Seoul virus in the genus Hantavirus.

KI-88-15 virus A serotype of Seoul virus in the genus Hantavirus.

Kikuchi's disease A rare, self-limiting, necrotizing lymphadenitis of unknown etiology that mainly affects young women. Suspected to have a viral etiology.

Aguiar JI et al (2000) Brazilian J Inf Dis 4, 208 Sato Y et al (1999) J Neurol Sci 163,187

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