Author: Celina Tebor and Christine Fernando, USA TODAY

While omicron symptoms tend to be milder than previous variants, its high transmissibility has caused more people to become infected.

The U.S. will allocate more resources toward international vaccine access as the omicron variant is identified in more countries. Latest COVID news.

After the CDC approved booster shots for all three vaccines, it now will evaluate the safety of the Pfizer-BioNTech vaccine for kids.