Two hippos at a zoo in Antwerp, Belgium, have tested positive for Covid-19, in what is believed to be the first such infection reported in the species.
원문출처 : https://www.cnn.com/2021/12/05/americas/covid-19-hippos-belgium-intl/index.html
원문출처 : https://www.cnn.com/2021/12/05/americas/covid-19-hippos-belgium-intl/index.html