A Study to Learn About a Vaccine Against E Coli in Healthy Adults
Conditions
Interventions
- DRUG: E coli vaccine 1 Dose A
- DRUG: E coli vaccine 1 Dose B
- DRUG: E coli vaccine 2
- DRUG: E coli vaccine 3
- DRUG: E coli Vaccine 4 Dose A
- DRUG: E coli Vaccine 4 Dose B
- DRUG: E coli Vaccine 4 Dose C
- DRUG: E coli Vaccine 5 Dose A
- DRUG: E coli Vaccine 5 Dose B
- DRUG: Placebo
Sponsor
Pfizer