. Since bird flu was first discovered in U.S. cattle last year, the virus has spread to more than 1,000 herds across the country. A new vaccine for cattle has …
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vaccine
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. A vaccine for gonorrhoea will be rolled out in England as part of a world-first programme, officials have announced. The move, hailed as a “landmark moment for sexual health”, …
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. Bird flu vaccines for cattle could reduce the risk of animal-to-human transmission of the H5N1 virus.Credit: Dmitriy Shironosov/Alamy As bird flu sweeps across US poultry and cattle farms, researchers …