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But that's not really quite enough
但是这些信息还不够
for me to know exactly what this bug is,
对我来说 必须清楚地知道这是什么
so we grow it on plates like this,
所以我要在培养皿里培养它
and each of these dots
每个像这样的菌落里
has about a half-billion organisms in it.
有将近五亿个有机体
These discs here have got antibiotics in them
这些小圆盘里含有抗生素
which leak out into the agar,
并会释放到琼脂中
and if you look at that one there,
如果你看那里
you can see there's a very, very,
你会发现这个很大一块区域
very, large zone of clearing
什么都没有
and that's because that antibiotic
这是因为
is killing that organism,
这种抗生素杀死了有机体
but if you look at all the others,
但若再观察其他的
there's no effect at all.
根本就没有效果
So this plate is telling us
所以这个培养皿告诉我们
that my patient has got a highly resistant organism,
病人体内生有高度耐药性有机体
and this explains why
这就解释了
she's not doing quite as well as she should,
为什么她没有像预期的那样好起来
so resistant to one, two, three, four, five antibiotics,
对这五种抗生素都有耐药性
sensitive to only one.
只对一种敏感
Our resistance to antibiotics
我们对于抗生素的耐药性
is a problem that's only getting worse.
是一个日趋严重的问题
