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In a recent study posted to the medRxiv* preprint server, researchers in Canada assessed the effectiveness of protection elicited by the fourth dose of the coronavirus disease 2019 (COVID-19) mRNA vaccine.
In a recent study published in the Annals of Internal Medicine, researchers in Singapore estimated the effectiveness of the second booster (fourth dose) vaccination with messenger ribonucleic acid (mRNA) vaccines against symptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections with the SARS-CoV-2 Omicron variant and associated hospitalizations with among individuals aged ≥80 years.
Ten per cent of Brunei’s population has received four doses of the Covid19 vaccine as of yesterday, while the coverage rate of the population with three shots of the vaccine remained at 78 per cent.
82,109,617 doses of the vaccine against COVID-19 have been so far administered in Peru, the <a href="https://www.gob.pe/minsa"target="_blank"
81,371,174 doses of the vaccine against COVID-19 have been so far administered in Peru, the <a href="https://www.gob.pe/minsa"target="_blank"