Omicron continues to sweep the 🌍. I remain concerned about countries with low vaccination rates, as unvaccinated people are many times more at risk of severe illness & death. I urge everyone to do their best to reduce risk of infection & help take pressure off health systems. pic.twitter.com/CymL7Vxvel

— Tedros Adhanom Ghebreyesus (@DrTedros) January 18, 2022