After decades of failed attempts due to the complexity of the virus, two vaccines co-developed by US scientists being tested in large pilot projects by Vietnamese companies are showing “very promising” results, said Gregorio Torres, head of the science department at the World Organization. for Animal Health (WOAH).
“We’ve never been this close to getting a vaccine that could work,” Torres said, noting that the two injections had “probably the best chance of success” and clearance for sale worldwide.
The vaccines were tested in Vietnam, where swine fever is a constant threat, because they could not be developed in the US because the virus is not present there.
Researchers at the United States Department of Agriculture (USDA) reviewed the results of one of the vaccines, NAVET-ASFVAC, which they co-developed with the Vietnamese company Navetco, a USDA spokesman said.
After the vaccine showed a high level of efficacy and no safety risk in trials, 600,000 doses were approved for initial sales to pig farmers in Vietnam, of which the first 40,000 “were delivered without any safety concerns,” the USDA said.
2023-06-13 22:02:02
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