The Omicron variant has now been recognized in 89 international locations and is spreading considerably quicker than the Delta variant in puts the place neighborhood transmission is prime, with a doubling time between 1.5–3 days, the WHO has stated.
In its ‘Improving Readiness for Omicron (B.1.1.529): Technical Temporary and Precedence Movements for Member States’ document on Friday, the Global Well being Organisation stated that given the present to be had information, it’s most likely that Omicron will outpace Delta the place neighborhood transmission happens.
“Omicron is spreading impulsively in international locations with prime ranges of inhabitants immunity and it stays unsure to what extent the noticed speedy expansion charge may also be attributed to immune evasion, intrinsic higher transmissibility or a mixture of each,” it stated.
“As of 16 December 2021, the Omicron variant has been recognized in 89 international locations throughout all six WHO areas. Present figuring out of the Omicron variant will proceed to adapt as extra information turns into to be had,” it stated.
There may be constant proof that Omicron has a considerable expansion merit over Delta. It’s spreading considerably quicker than the Delta variant in international locations with documented neighborhood transmission, with a doubling time between 1.5–3 days, the worldwide well being frame stated.
The WHO designated Omicron, or B.1.1.529 variant, as a variant of shock (VOC) on November 26 after it used to be first detected in South Africa.
There may be nonetheless restricted information at the scientific severity of Omicron. Extra information are had to perceive the severity profile and the way severity is impacted by way of vaccination and pre-existing immunity, the WHO stated.
The total danger posed by way of Omicron in large part will depend on how transmissible the variant is; how smartly vaccines and prior an infection give protection to towards an infection, transmission, scientific illness and dying; how virulent the variant is in comparison to different variants; and the way populations perceive those dynamics, understand chance and apply regulate measures, together with public well being and social measures, it stated.
There may be nonetheless restricted to be had information, and no peer-reviewed proof, on vaccine efficacy or effectiveness thus far for Omicron, the WHO added.