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Delta (B.617.2) First identified in India in late 2020, the delta variant soon spread across the globe. It became the dominant variant of SARS-CoV-2 until the emergence of omicron in December 2021.
A preventive measure introduced in May; Thai Chana QR-code before entering a retail premise to track individual customers On 12 January, the World Health Organization (WHO) confirmed that a novel coronavirus was the cause of a respiratory illness in a cluster of people in Wuhan, Hubei, China, who had initially come to the attention of the WHO on 31 December 2019.
On 26 November at an emergency meeting in Geneva, Switzerland WHO's Technical Advisory Group on SARS-CoV-2 Virus Evolution designated PANGO lineage B.1.1.529 a variant of concern (VOC) and gave it the designation Omicron (skipping Nu and Xi, the next letters in the Greek alphabet in keeping with its nomenclature protocol introduced for the Delta variant).
The CDC and WHO assessed that the "public health risk posed by this variant is low compared with other circulating variants". [23] Moderna and Pfizer have stated that their COVID-19 vaccines targeted at the omicron variant remain effective against BA.2.86 [ 24 ] and Novavax has stated its updated protein-based COVID-19 vaccine appears effective ...
CDC defends Covid isolation guidelines amid omicron variant ... now is to take all the science and the information that we have and to deliver guidance and recommendations to the American people ...
COVID-19 hospitalizations in the United States have increased by about 33% and deaths are up by about 40% from a week earlier, the head of the U.S. Centers for Disease Control and Prevention (CDC ...
The 576 cases reported on 20 December was Thailand's biggest daily increase and caused the nation's overall total to climb 13%. [55] A new cluster emerged in Rayong, linked to a gambling den. On 28 December, a worker at the den died, Thailand's first COVID-19 death in nearly two months. [56] [57]
The director of the Centers for Disease Control and Prevention (CDC) confirmed on Sunday that the Food and Drug Administration (FDA) was in discussions to streamline the authorization of an ...