The Daily Pennsylvanian is a student-run nonprofit. Please support us by disabling your ad blocker on our site. Image 1-22-21 Weissman Laboratory Research Covid-19 Pfizer Biontech Vaccine Science Pipette (Sukhmani Kaur) By Sukhmani Kaur 09/01/21 7:10pm Researchers Tyler Papp, Hamideh Parhiz, and Amir Yadegari (from left to right) in the Weissman Lab on Jan. 22. PennConnects