Spread of African swine fever in Asia

China has slaughtered almost one million pigs over the past six months as the country battles an incurable African swine fever epidemic

African swine fever (ASF) outbreaks Jan 25-Feb 1

Outbreaks before Jan 25

Provinces with epidemic zone

Restrictions on cross-provincial movement of pigs
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RUSSIA
MONGOLIA
CHINA
Heilongjiang
Ningxia 
Gansu
Beijing
Shanxi
Jiangsu
Fujian
Guizhou
Guangdong
800km 500 miles

Global pig production 2018 (million head)
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EU    271.5
U.S.  134
Others
China 708
Total 1,298 
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ASF is highly contagious and usually deadly for pigs (treatment and vaccine unavailable). Humans are not susceptible to virus

Virus survival
Chilled meat 15 weeks
Cured ham  300 days
Frozen carcasses 15 years


AFRICAN SWINE FEVER VIRUS TRANSMISSION
Infected wild boars
Infected pigs
Infected carcasses, blood and excretions
Contaminated vehicles, clothing and other equipment
Susceptible pigs and wild boars
Infected soft ticks
Contaminated feed products

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Sources: CNN, FAO, Reuters, U.S. Department of Agriculture      © GRAPHIC NEWS