There are many examples where the issue of science and transparency come up: When mad cow disease first broke out, the first sensible guess from scientists was that it could not spread to humans;

有很多例子可以反应科学及其透明度的问题：当疯牛病刚开始爆发时，科学家们合理推断它不会传染给人类；

youdao

This problem is most acute in Britain, where official statements about "mad cow" disease and foot- and-mouth disease were subsequently found to be unjustified and untrue.

这个问题在英国最为严重：有关“疯牛病”和口蹄疫的官方声明，后来都被证明缺乏科学根据和与事实不符。

youdao

The decision, confirmed by a ministry press official in Brasilia, follows Egypt's ban of beef on Monday from Parana state, where a cow that died two years ago had developed atypical bovine spongiform encephalopathy (BSE), or mad cow disease.

MSN: Saudi Arabia bans Brazil beef imports on mad cow doubts

One unexpected revelation was that France had offered to consider allowing beef from Scotland to be imported again where grass-fed herds could be shown never to had any contact with BSE or mad cow disease.

BBC: French feel the heat in beef row