… immune response to COVID-19 vaccines at 6 months … to COVID-19 vaccination (19), the
predictors of immunological response to vaccination (20), as well as the predictors of COVID-19 …

… addressing various aspects of the COVID-19 pandemic, showed a … of COVID-19 antibody
titers to 9 months after the first vaccine … HCW-related and vaccination-related characteristics. …

… capture key data on COVID-19 in children in Europe on a large scale, to aid physicians in
Europe and in other geographical locations with service planning and allocation of resources. …

… their determinants in a large European cohort of more than 60,000 health workers. Methods:
A multicentric retrospective cohort study, involving 12 European centers, was carried out …

… response to vaccination with the mRNA-1273 COVID-19 vaccine. The vaccine is also safe in
… As of June 28, 2021, one patient in cohort C had been diagnosed with COVID-19, 23 days …

… In this study, heterologous Covid-19 vaccination using ChAdOx1 nCoV-19 as a first dose …
67% to 79% effectiveness against symptomatic Covid-19-infection. The effectiveness of the two …

… European Medicines Agency (EMA) have issued a joint statement regarding adapted COVID-19
vaccines … ORCHESTRA comprises a prospective multicenter cohort including more than …

… We aimed to determine the factors associated with vaccine coverage for both vaccines and
documented the vaccine effectiveness of the BNT162b2 mRNA vaccine in a cohort of health-…

… In the infected population, any dose of vaccine was associated with … In conclusion, COVID-19
vaccination was not associated with … to evaluate the long-term safety of COVID-19 vaccines. …

… association between COVID-19 vaccination and the risk of acute and subacute COVID-19
cardiac and … data sources from 3 European countries to assess the overall effect of COVID-19 …