Vaccine effectiveness after 1 <sup>st</sup> and 2 <sup>nd</sup> dose of the BNT162b2 mRNA Covid-19 Vaccine in long-term care facility residents and healthcare workers – a Danish cohort studyIda Rask Moustsen‐Helms, Palle Valentiner‐Branth, Jens Nielsen et al.|medRxiv|2021Cited by 93