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WHO says not clear weather Omicron more transmissible, causes more severe disease

WHO says not clear weather Omicron more transmissible, causes more severe disease

WHO confirmed that there is currently no information to suggest that symptoms associated with Omicron are different from those from other variants, as understanding the level of severity of the Omicron variant will take days to several weeks. All variants of COVID-19, including the Delta variant that is currently dominant worldwide, can cause severe disease or death, in particular for the most vulnerable people, and thus prevention is always key. However, WHO said preliminary evidence suggests there may be an increased risk of reinfection with Omicron, but information is limited. More information on this will become available in the coming days and weeks. It added that current PCR tests continue to detect Omicron, while further studies are still going on to understand how the Omicron variant will impact on available vaccines and treatments to COVID-19. WHO classified on Friday the latest variant B.1.1.529 of SARS-CoV-2 virus, now with the name Omicron, as a "Variant of Concern" (VOC). According to WHO's definition, a VOC, with a degree of global public health significance, demonstrates one or more of mutational changes, such as increase in transmissibility or detrimental change in COVID-19 epidemiology, increase in virulence or change in clinical disease presentation, and decrease in effectiveness of public health and social measures or available diagnostics, vaccines, therapeutics. WHO has since called on countries to enhance surveillance and sequencing on circulating SARS-CoV-2 variants, submit complete genome sequences and metadata to a publicly available database, and report initial VOC cases or clusters to WHO. It has also recommended field investigations and laboratory assessments to better understand potential impacts of the VOC on COVID-19 epidemiology, the effectiveness of public health and social measures and antibody neutralization. Enditem