An official website of the United States government
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.
 Image Number D3070-9 |
At the Animal Parasitic Diseases Laboratory in Beltsville, Maryland, newly hatched chicks ingest gelatin beads, a new vaccine delivery system, to protect them from the disease called “coccidiosis.” Inside the beads are Eimeria oocysts.
Photo by Stephen Ausmus.
