科学家发现儿童洗澡玩具——橡胶鸭子中含有“潜在的致病细菌”。发现的细菌包括军团菌和铜绿假单胞菌，这是一种经常与医院感染有关的细菌。

Medical Xpress: Ugly ducklings: should rubber ducks be banned from the bath?

https://lofi.medicalxpress.com/news/2018-03-ugly-ducklingsbiofilms-toys.html

Yucky ducky? Study reveals bath-time toy's dirty secret

Yucky ducky? Study reveals bath-time toy's dirtysecret

Yucky ducky? Study reveals bath-time friends' dirty secret

Yucky ducky? Study reveals bath-time toy's dirty secret ...

More information: Lisa Neu et al. Ugly ducklings—the dark side of plastic materials in contact with potable water, npj Biofilms and Microbiomes (2018). DOI: 10.1038/s41522-018-0050-9