mRNA COVID-19 vaccine protection wanes after six months: a wide-scale study of the population of Qatar

By | September 6, 2021
In a paper recently uploaded to the preprint server medRxiv* by Chemaitelly et al. (August 27, 2021), the long-term effectiveness of the mRNA vaccines is analyzed amongst the Qatar population. The study observed waning protection against infection around six months post-vaccination but lasting protection from death and hospitalization.