Booster doses
The Norwegian Institute of Public Health (NIPH) recommends that the following groups should take a booster dose of coronavirus vaccine before the coming autumn/ winter season:
adults aged 65 years and above
adults aged 18-64 years with underlying risk of a severe disease course
adolescents aged 12-17 years with severe underlying conditions
pregnant women in their second and third trimesters
(https://www.fhi.no/en/id/vaccines/coronavirus-immunisation-p...)