serotype 1 pneumococcal polysaccharide antigen ('felton antigen')
Vaccineapproved
Approved
Jul 1, 1941
Clinical trial activity
0 trials · 0 clinical orgs · 0 marketing orgs
Phase 1
0
Phase 2
0
Phase 3
0
Phase 4
0
Timeline
1940s
- Jul 1, 1941
Earliest FDA Approval
Indications
Approved for
Mechanism of action
- Streptococcus pneumoniaeImmunity, active
Streptococcus pneumoniae immunity, active
Approval history
- approvedJul 1, 1941
Chemistry & pharmacology
Oral
No
Parenteral
No
Topical
No
Also known as
- serotype 1 pneumococcal polysaccharide antigen ('felton antigen')