Security guards stand in front of the Huanan Seafood Wholesale Market in Wuhan, China, on Jan. 11, 2020, after the market had been closed following an outbreak of COVID-19 there. Two new studies document samples of SARS-CoV-2 from stalls where live animals were sold. Noel Celis/AFP via Getty Images hide caption
porcupines porcupines
Stories About
porcupines
The barbs on porcupine quills make it easier from them to penetrate the skin. National Park Service hide caption