Dec 10 (Reuters) – A lot of the 43 COVID-19 circumstances brought on by the Omicron variant recognized in america to date have been in individuals who have been totally vaccinated, and a 3rd of them had obtained a booster dose, in keeping with a U.S. report printed on Friday.
The U.S. Facilities for Illness Management and Prevention (CDC) mentioned that of the 43 circumstances attributed to Omicron variant, 34 individuals had been totally vaccinated. Fourteen of them had additionally obtained a booster, though 5 of these circumstances occurred lower than 14 days after the extra shot earlier than full safety kicks in.
Whereas the numbers are very small, they add to rising issues that present COVID-19 vaccines could supply much less safety in opposition to the extremely transmissible new variant.
The Omicron variant of the coronavirus has been discovered by means of testing in about 22 states to date after first being recognized in southern Africa and Hong Kong in late November.
Among the many Omicron circumstances, 25 have been in individuals aged 18 to 39 and 14 had traveled internationally. Six individuals had beforehand been contaminated with the coronavirus.
Most of them solely had gentle signs reminiscent of coughing, congestion, and fatigue, the report mentioned, and one particular person was hospitalized for 2 days. Different signs reported much less often together with nausea or vomiting, shortness of breath or problem respiratory, diarrhea and lack of style or odor.
The CDC mentioned that whereas most of the first reported Omicron circumstances seem like gentle, a lag exists between an infection and extra extreme outcomes. Signs would even be anticipated to be milder in vaccinated individuals and people with earlier SARS-CoV-2 an infection.
The primary recognized U.S. Omicron case was recognized on Dec 1 in a totally vaccinated one who had traveled to South Africa. The CDC mentioned that the earliest date of symptom onset was Nov. 15 in an individual with a historical past of worldwide journey.
The Delta variant nonetheless accounts for greater than 99% of all U.S. circumstances. However experiences from South Africa present that the Omicron variant may be very transmissible.
Even when most circumstances are gentle, a extremely transmissible variant might end in sufficient infections to overwhelm well being methods, the CDC cautioned.
Laboratory research launched this week recommend that the Omicron variant will blunt the protecting energy of two doses of Pfizer (PFE.N) and BioNTech's COVID-19 vaccine, though a 3rd dose could restore that safety.
The U.S. has licensed COVID-19 vaccine boosterdoses for all Individuals age 16 and older.
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