The University of Arizona

MIC 419 Immunology
Admit Ticket 2
Vaccine Design and Testing

Reading Assignment

Vesikari, T., et al. 2006. Safety and efficacy of a pentavelent human-bovine (WC3) reassortment Rotavirus vaccine . The New England Journal of Medicine 354: 23-33 (January 5)

To access this paper

Writing Assignment

1. Why was rotavirus chosen as the target for a vaccine? What characteristics make a pathogen a good target for a vaccine?

2. What type(s) of vaccine is this (killed, live attenuated, subunit, recombinant, DNA)? What makes it pentavalent? What are the advantages of this type of vaccine?  The disadvantages?

3. What is a double-blind study and why is it used? What is a placebo and why was it important that the placebo looked like the active vaccine?

4. What is the primary side effect the researchers looked for and why? What other side effects might occur?

5. In what two ways did the researchers measure the efficacy (success) of the vaccine? Why did they look for neutralizing antibodies? Why did they measure IgA instead of IgG?

Supplementary Materials:

clinical trials glossary: http://www.clinicaltrials.gov/ct/info/glossary

intussusception (in-tuh-suh-sep-shun): http://kidshealth.org/parent/system/surgical/intussusception.html

Ruiz-Palacios, G. M., et al. 2006. Safety and efficacy of an attenuated vaccine against severe Rotavirus gastroenteritis. The New England Journal of Medicine 354:11-22 (January 5)

Vaccines