A third mRNA vaccine dose results in fewer Omicron deaths, hospitalizations, and cases, 3 studies find.
Experts back booster shots in high-priority groups and a reduced vaccine dose for children 5 to 11 years old.
"With rapid antigen tests, positive results are generally meaningful, but negative results have to be taken with a grain of salt."
Researchers estimates that more than 1.2 million people died from superbugs in 2019.
New York, Boston, Denver, the Twin Cities, and San Diego have all likely peaked, according to sampling.
Meanwhile, officials in Denmark and Norway say an Omicron subvariant called BA.2 is increasing rapidly.
The respirators will be distributed at community health centers and pharmacies across the country.
The nocebo effect can happen because of preconceived notions in volunteers.
Southeast Asia reported the steepest increase, followed by the Eastern Mediterranean region.
Steps include launching a US international pandemic preparedness project and appointing a global health security envoy.
The shortened approach achieved a similar clinical response and resolution of symptoms.
Though early-hit nations are on the downslope of their Omicron surges, others are battling rising cases.
Though cases appear to be plateauing in some Eastern cities, hospitalizations are still high across the country.