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A virus of the family Picornaviridae, genus Aphthovirus.
Seven immunologically distinct serotypes: A, O, C, SAT1, SAT2, SAT3, Asia1
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Temperature:
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Preserved by refrigeration and freezing and progressively
inactivated by temperatures above 50°C
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pH:
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Inactivated by pH <6.0 or >9.0
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Disinfectants:
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Inactivated by sodium hydroxide (2%), sodium carbonate
(4%), and citric acid (0.2%). Resistant to iodophores, quaternary
ammonium compounds, hypoclorite and phenol, especially in the presence
of organic matter
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Survival:
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Survives in lymph nodes and bone marrow at neutral
pH, but destroyed in muscle when is pH <6.0 i.e. after rigor
mortis. Can persist in contaminated fodder and the environment
for up to 1 month, depending on the temperature and pH conditions
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