Vietnam warns of food supply disruptions as African swine fever spreads

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Vietnam in 2023 approved the domestic commercial use of its first home-grown African swine fever vaccines, but officials said the rate of vaccinated pigs remains low.

PHOTO: REUTERS

HANOI – African swine fever outbreaks are spreading in Vietnam, threatening to disrupt food supplies in the South-east Asian country, the government warned on July 18.

Vietnam has in 2025 detected 514 outbreaks in 28 out of 34 cities and provinces nationwide, the government said in a statement, adding that the authorities have culled more than 30,000 infected pigs.

“The risk of African swine fever is on a rising trend, negatively affecting the pig-farming industry, food supplies and the environment,” the government said.

African swine fever has disrupted the global pork market for years. In the worst outbreak over 2018-19, about half the domestic pig population died in China, the world’s biggest producer, causing losses estimated at more than US$100 billion (S$128.4 billion).

The recent outbreaks in Vietnam have prompted Prime Minister Pham Minh Chinh to send an urgent directive to provinces and government agencies this week to deploy measures to curb the disease.

Vietnam in 2023 approved the domestic commercial use of its first home-grown African swine fever vaccines, but officials said the rate of vaccinated pigs remains low.

“Only around 30 per cent of the pigs in my province have been vaccinated,” said an animal health official of Quang Ngai province, where infections have been reported over the past few weeks.

“It’s not clear why the rate is low – it could be the issue of vaccine availability,