Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| virus dosage | P1group protection | inactiveted EV71 group |
|---|---|---|
| 5000LD50 | 100%(12/12) | 100%(11/11) |
| 10000LD50 | 100%(10/10) | 100%(12/12) |
| 25000LD50 | 63%(6/11) | 60%(6/10) |
| 50000LD50 | 31%(4/13) | 33%(4/12) |
