Journal of the American Medical Association e phatlalalitse thuto ea boraro, e etelletsoeng pele ke bafuputsi ba CDC.
E shebile batho ba entseng tlhahlobo ea COVID-19 ho tloha ka la 10 Tšitoe ho isa la 1 Pherekhong libakeng tse fetang 4,600 tsa liteko ho pholletsa le US.
Lithunya tse tharo tsa ente ea Pfizer le Moderna li ne li sebetsa ka liperesente tse 67 khahlano le lefu la matšoao le amanang le Omicron ha le bapisoa le batho ba sa entoa.
Leha ho le joalo, litekanyetso tse peli ha lia fana ka tšireletso e kholo khahlanong le Omicron ha li lekanngoa likhoeli tse 'maloa ka mor'a ho phethoa ha letoto la pele, bafuputsi ba fumane.
"Haeba u tšoaneleha bakeng sa booster 'me ha u e-so e fumane, ha u so ka u le morao-rao 'me u hloka ho fumana booster ea hau," Motsamaisi oa CDC Ngaka Rochelle Walensky o boletse nakong ea puisano ea White House ka Labohlano.
