The Philadelphia Zoo is planning on using an experimental vaccine to protect its at-risk animals like big cats and primates from COVID-19. So how do you get a 400 pound gorilla to roll up its sleeve?

 

The Philadelphia Zoo is planning on using an experimental vaccine to protect its at-risk animals like big cats and primates from COVID-19. So how do you get a 400 pound gorilla to roll up its sleeve?
&nbsp;

Unique and unexpected stories out of Philadelphia. Made here, for everyone. Hosted and produced by Brian Seltzer and Sabrina Boyd-Surka.

Unique and unexpected stories out of Philadelphia. Made here, for everyone. Hosted and produced by Brian Seltzer and Sabrina Boyd-Surka.

Advertisement