Article 1 Austria 1 Bayesian analysis 1 Bayesian inference 1 Belgium 1 COVID-19 1 Cross-country comparison 1 Healthcare system 1 Humans 1 Immunity, Herd 1 Luxembourg 1 Luxembourg [Belgium] 1 Markov Chain Monte Carlo 1 Markov chain 1 Markov chain Monte Carlo method 1 Monte Carlo analysis 1 Pandemics 1 SARS-CoV-2 1 SEIR model 1 Sweden 1 Vaccination 1 adaptive immunity 1 coronavirus disease 2019 1 epidemic 1 epidemiological model epidemiology 1 finite element analysis 1 health care 1 health care system 1 herd immunity 1