Duration Of Effectiveness Of Vaccination Against COVID-19 Caused By The Omicron Variant – The Lancet

Officials at Yangyang International Airport in Gangwon Province prepare to welcome a group of travelers from the Philippines on Saturday, amid eased travel restrictions. (Yonhap)South Korea's new coronavirus cases remained below 7,000 for the second consecutive day Sunday as the omicron variant is slowing down.The country added 6,246 new COVID-19...

An Omicron subvariant of Covid-19 that can evade vaccine immunity is on the rise in Victoria, with health authorities warning it is on track to be the state’s major strain in line with virus spread in NSW and Queensland.Traces of the BA.4/BA.5 strain in Victoria’s metro and regional wastewater “have...

New Delhi: The number of Covid-19 cases in India has been rising, and the majority of the cases that have been recorded are Omicron variants. The majority of Covid-positive patients show typical symptoms such as breathlessness, cough, body aches, and so forth. “There are a number of causes for the...

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(AP) -- Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the omicron variant is safe and works — just days before regulators debate whether to offer Americans updated booster shots this fall.The vaccines currently used in the U.S. still offer strong protection against severe COVID-19 disease and death --...

Two Pfizer and BioNTech Covid-19 vaccine boosters updated to target the Omicron variant show a substantially higher immune response than the current Covid-19 vaccine, the companies said Saturday.The companies tested a vaccine that targets Omicron BA.1 subvariant and bivalent booster -- which targets two strains -- that includes the current...