This week Uri interviews Dr. Phillip Schwartz, who received his Ph.D. in neurobiology/development/oncology from Harvard Medical School and is currently working on a Covid-19 vaccine. They discuss the different types of vaccines, the potential risks involved with vaccines, and the current Covid-19 vaccine rollout in both the US and Israel. They also discuss the possible origins of the Covid-19 virus, as well as the mutations it is currently going through.