GSK's investigational non-typeable Haemophilus influenzae (NTHi) and Moraxella catarrhalis (Mcat) multi-antigen vaccine (GSK3277511A) adjuvanted with AS01E
Biological2 doses of the investigational NTHi-Mcat vaccine will be administered 2 months apart to all subjects in all the groups. The vaccine will be given intramuscularly (IM) in the upper deltoid of non-dominant arm