3 ms·

It’s a novel virus and an even more novel vaccine. No one should have any expectations of outcome right now

• carlmr 5y ago
  But it's not the first virus ever, nor the first Corona virus, or the first SARS virus. So there is precedent to compare against.
• nradov 5y ago
  It's not that novel. SARS-CoV-2 is genetically quite similar to both the original SARS-CoV and HCoV-OC43.