An Evaluation of Vaccines and the Effectiveness of Vaccinations against Typhoid Fever. X. Test of Passive Resistance on Chick Embryos with Serums of Persons Immunized with N, P, S and T Vaccines
Abstract
The purpose of this report was to ascertain the growth of protective antibodies in the serum of persons vaccinated with various serums. The level of these antibodies can be determined on mice or chick embryos. Two considerations favored the choice of embryos: the much smaller amount of serum needed to make this test, and the greater objectivity of the test, resulting from the total humoral neutrality of the embryo itself.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1964
- Accession Number
- AD0843851
Entities
People
- Janina Plachcinska
Organizations
- United States Army Biological Warfare Laboratories