3 ms·
Why does it take so long to develop a deactivated vaccine version of the virus to teach our immune system what to attack?
by sizzle 7y ago
Why does it take so long to develop a deactivated vaccine version of the virus to teach our immune system what to attack?
- Cogito 7y agoSafety. You have to understand what 'deactivated' means for this virus, and that people won't get significantly sick if you feed it to them. That takes time.