The National Drug Authority found anti-retrovirals in pork and chicken in 2014 but didn't tell the public.
Africa health correspondent, BBC News
Mr Atumanya said that for humans, consuming small quantities of the drugs in food could be dangerous.A spokesman said that if there was a health risk it would have warned the public, while the NDA's job was to regulate drugs not food or animal feed. But Mr Atumanya said this could cause serious problems for humans who ate the meat and became infected with HIV.
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