On this week’s Tech Nation, Moira speaks with a company that paused its work on Hepatitis B to focus on treatments for COVID. Dr. Lawrence Blatt, the CEO of Aligos Therapeutics joins Moira to talk about their idea for treating COVID. Then, Tech Nation Health Chief Correspondent, Dr. Daniel Kraft tells us that all COVID vaccines are not the same, and a potential different approach for *all* cancer treatments, including a tough one – Ovarian Cancer. Moira speaks with Bill Newell, the CEO of Sutro Biopharma, about their approach and their results thus far.