Covid-19 Immunity and VaccinationSucharit Bhakdi Johannes Gutenberg University MainzAugust 21, 2020 Budapest, Hungary 1918 Spanish Flu2009 Swine Flu PandemicadenovirusAdjuvantsantibodiesBhakdiCompulsory vaccination programConventional vaccinesCoronaviruscoronavirus immunityCOVID-19COVID19cytokinesdeath rateFlu vaccinationGene-based vaccinesgermanyherd immunityimmune boostersimmune systemIMMUNITYitalymass vaccinationquotCOVID19respiratory infectionsrhinovirussars-cov-2SucharitSucharit BhakdiSwedenT-cell cross immunityT-helper lymphocytesT-killer lymphocytestetanusTyphus vaccineVaccinationVaccination risksVaccinationquotvaccine safetyvideoVITAMINvlogYouTube