Quarantine officials work at a pig farm with confirmed African swine fever in Paju, South Korea, Tuesday, Sept. 24, 2019. South Korea鈥檚 African swine fever crisis is intensifying with lab tests confirming the country鈥檚 fourth case in a week from a farm near its border with North Korea. It raises fears officials are losing a battle to halt the spread of the disease that wiped out pig populations across Asia. (Lim Byung-shick/Yonhap via AP)
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SEOUL 鈥� South Korea鈥檚 African swine fever crisis intensified Tuesday with lab tests confirming the fourth case in a week from a farm near its border with North Korea.
The discovery of still more cases has raised fears officials are fighting a losing battle to halt the spread of the disease that wiped out pig populations across Asia.
More than 15,000 pigs were culled after the country鈥檚 first two outbreaks were confirmed last week in the border towns of Paju and Yeoncheon, but officials have yet to identify the infection route. The disease may have crossed from North Korea, which reported an outbreak near its border with China in late May.
In a closed-door briefing to lawmakers, South Korean National Intelligence Service Director Suh Hoon said North Korea had new cases after July despite culling pigs, disinfecting farms and restricting the distribution of pork products, according to lawmakers who attended the session.
Lee Hye-hoon, chairwoman of the National Assembly鈥檚 intelligence committee, said Suh used charts to explain how the disease has apparently spread to nearly all parts of North Korea. According to Lee, Suh said the agency has heard from unspecified civilian sources that pig herds in North Pyongan province 鈥� a region north of capital Pyongyang 鈥� have supposedly been 鈥渁nnihilated鈥� and that residents were complaining about 鈥渂utcher shops not having meat.鈥�
North Korea in recent months has virtually scrapped all diplomatic activity and cooperation with South Korea amid a standstill in nuclear negotiations with the United States.
Lee said Suh said his agency was struggling to obtain more information because the North has been rejecting repeated South Korean calls for joint quarantine efforts.
鈥淚t was difficult to gauge (from Suh鈥檚 briefing) whether quarantine measures in North Korea have been thorough and sufficient,鈥� Lee told the Associated Press.
South Korea鈥檚 Ministry of Agriculture, Food and Rural Affairs confirmed the country鈥檚 fourth case at another farm in Paju, which raised some 2,300 pigs, after blood tests confirmed the illness caused three pigs to have miscarriages.
The country鈥檚 third case had just been confirmed Monday night at a farm in Gimpo, which is on the southern side of a river that separates the border region and the Seoul metropolitan area, where nearly half of South Koreans live. Later Tuesday, the ministry said another case was suspected in the island county of Ganghwa, which is part of the metropolitan city of Incheon that borders the capital.
African swine fever is harmless to people, but having it spread from farms to densely populated areas will make it harder to contain. The illness is highly contagious and fatal for pigs, with no known cure.
In South Korea, where diets rely heavily on pork, there is a concern the outbreak could spread and hurt an industry with 6,300 farms raising more than 11 million pigs. The disease decimated pig herds in China and other Asian countries before reaching the Koreas.
Officials have said the first three weeks are crucial, considering incubation periods. They have strengthened quarantine and prevention measures, tightly restricting the movement of farmers, animals, and vehicles.
Since Monday evening, the government has imposed a 48-hour standstill on farms, slaughterhouses and feed factories in Gyeonggi province, which governs the three towns where infections were reported, as well as the nearby Gangwon province and Incheon.
Government workers dressed in lab coats and masks guarded roadblocks near farms in Paju, where excavators have been used to dig huge pits used for killing and burying thousands of pigs. The gates, entrances, and grounds of many farms were covered in snowy layers of calcium oxide, a disinfectant.
Officials also plan to install more traps, nets, and fences to capture or repel wild boars that roam in and out of North Korea, which some experts see as a potential source of the outbreak in South Korea. The Ministry of Environment said it鈥檚 testing water from a river that flows across the inter-Korean border for the virus. It is also searching these areas for dead wild boars. /kga