@article {427, editor = {,}, title = {Statement on the update of WHO{\textquoteright}s working definitions and tracking system for SARS-CoV-2 variants of concern and variants of interest}, volume = {44}, number = {4}, pages = {427--427}, year = {2023}, publisher = {Saudi Medical Journal}, issn = {0379-5284}, URL = {https://smj.org.sa/content/44/4/427}, eprint = {https://smj.org.sa/content/44/4/427.full.pdf}, journal = {Saudi Medical Journal} }