Norway
Norwegian Institute of Public Health - Department of Virology
Norway; SARS-CoV-2; variants of concern; surveillance; hospitalisation; intensive care
Vaccine effectiveness, adolescents, Delta, Omicron, Norway, SARS-CoV-2, variants of concern
SARS-CoV-2, COVID-19, child, contact, transmission, secondary attack rate, whole genome sequencing, infection prevention and control, mitigation measures
influenza, inactivated vaccine, diagnostic test, contamination