The team found the oldest known sample of the virus that causes smallpox on a child mummy from mid-17th century Lithuania.

研究小组在 17 世纪中叶立陶宛的一具儿童木乃伊身上发现了已知最古老的导致天花的病毒样本。

So instead of scooping up the fish, a team of Danish researchers figured they could just scoop up a bunch of environmental DNA, or eDNA, from the water, and match it to known tissue samples and sequences.

因此，一组丹麦研究人员认为， 他们可以从水中捞出一堆环境 DNA 或 eDNA， 并将其与已知的组织样本和序列进行匹配， 而不是将鱼捞起。