When a large percentage of the population is vaccinated, the spread of disease is limited and protects people who cannot be immunized?
For more contagious diseases, a vaccination rate of 80-95 percent may be necessary to create "herd immunity" which makes it much harder for an infectious agent to spread (U.S. Navy photo by Mass Communication Specialist 1st Class Gretchen M. Albrecht/Released).
| Date Taken: | 08.09.2017 |
| Date Posted: | 12.29.2017 13:37 |
| Photo ID: | 4057785 |
| VIRIN: | 170809-N-NR998-001 |
| Resolution: | 3000x2400 |
| Size: | 1.74 MB |
| Location: | BREMERTON, WA, US |
| Web Views: | 14 |
| Downloads: | 4 |
This work, Did You KNow? [Image 4 of 4], by CPO Gretchen Albrecht, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.
No keywords found.
LEAVE A COMMENT