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World’s first vaccine in opposition to lethal swine fever nears approval in Vietnam


United States Division of Agriculture (USDA) researchers have reviewed the outcomes of one of many vaccines, NAVET-ASFVAC, which they co-developed with Vietnamese firm NAVETCO, a USDA spokesperson mentioned.

After the vaccine confirmed a excessive degree of efficacy and no security dangers in trials, 600,000 doses have been accredited for preliminary gross sales to pig farmers in Vietnam, of which the primary 40,000 “have been delivered with none security issues”, USDA mentioned.

That adopted an preliminary hiccup when use of the vaccine was suspended after dozens of pigs died final summer time following inoculations in farms that used the vaccine off-label, USDA mentioned, administering it to hogs that weren’t alleged to be inoculated, comparable to pregnant sows.

No issues emerged after deliveries resumed with satisfactory veterinary monitoring, USDA mentioned.

NAVET-ASFVAC is an attenuated live-virus vaccine, like these utilized in childrens’ routine vaccinations world wide. Use of unlicensed live-virus vaccines in China in previous years raised issues they prompted the emergence of recent strains of swine fever.

Solely restricted information can be found from China’s trials on a live-virus vaccine in opposition to swine fever.

The second vaccine examined in Vietnam, AVAC ASF LIVE, which was found by US researchers and commercialised by Vietnamese agency AVAC, has been delivered to extra pigs than NAVET-ASFVAC beneath its pilot deployment, however USDA mentioned it had not but reviewed the info.

NAVETCO, AVAC and Vietnam’s agriculture ministry, which is liable for approval of veterinary vaccines, didn’t reply to requests for remark.

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