Omicron now accounts for roughly 97% of Covid-19 infections globally, with the BA.2 sub-variant accounting for the greatest share (39%)....

Probably before travelers in the U.S. could even unpack their Thanksgiving holiday suitcases, news hit that a panel from the World Health...

Covid-19's Delta and Lambda variants continue to challenge us to adapt, create new solutions, and at times dig down for patience and...

As the world continues to vaccinate, the Delta variant and the Delta Plus variant are a concern for many global mobility programs. The...