Because a fast kill and people start noticing. That's why they started with elderly, and the first dose likely had a larger portion of saline doses when the got to the younger groups.
The only analog are the animal studies where essentially the majority are dead or dying within 2 years.
Because a fast kill and people start noticing. That's why they started with elderly, and the first dose likely had a larger portion of saline doses when the got to the younger groups.
The only analog are the animal studies where essentially the majority are dead or dying within 2 years.