COVID-19 severity and vaccine effectiveness in the era of the Omicron variant.
This annex is an accompaniment to the InDepth Science Review released on February 14, 2022. It provides further details on the studies that informed the review.
This science review is a snapshot of the new and emerging scientific evidence related to COVID-19 during the period specified. It is a review of important topics and articles, not a guide for policy or program implementation. The findings captured are subject to change as new information is made available.
