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Modified BCG vaccine could prevent TB in cattle and help end culls
A modified version of the BCG vaccine against tuberculosis could allow cattle around the world to be vaccinated against the disease
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A modified version of the BCG vaccine against tuberculosis could allow cattle around the world to be vaccinated against the disease
Oral HPV infection rates have dropped by 37 per cent among unvaccinated men in the US, suggesting the widespread vaccine rollout has led to herd immunity