Moderna Says Covid-19 Booster Dose Works Against Omicron Variant in Lab Tests

WSJ2021-12-20

ModernaInc. said a third dose of its Covid-19 vaccine increased immune responses against the Omicron coronavirus variant compared with two doses in lab tests, signaling the shot could still offer ...

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robot1234
2021-12-21
robot1234
The omicron variant is raging across to the world as the winter holiday season approaches. U.S. cases are jumping into year-end with more than 156,000 reported on Friday, according to data from the Centers for Disease Control and Prevention.
- yeppy:
  Don't worry about the epidemic, the global economy will be liberalized in 2022. It is time to give up the vaccine stocks and buy airlines, cruises, and tourism stocks. Good luck to us all.
PearlynCSY
2021-12-21
PearlynCSY
Stocks slide to start the week as omicron fears intensify, Dow falls 430 points
Annalz
2021-12-20
Annalz
MRNA gonna to fly to another new high

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The company plans to share the data with government health officials.\nThe Omicron variant was identified in late November in southern Africa and has now spread to many countries, including the U.S.\nEarly studies suggest it spreads faster and reinfects people more easily than other variants and it evades vaccine-induced antibodies to a greater degree. It isn’t known yet whether Omicron causes more or less severe Covid-19.\nThe new data may reinforce calls by public-health officials for vaccinated people to get booster shots. In the U.S., only about 29.5% of fully vaccinated people have received booster doses, according to the Centers for Disease Control and Prevention.\nModerna also found that using a full dose for the third shot packed a more powerful punch than the authorized booster dose. A third full dose increased neutralizing antibodies against Omicron about 83 times more than pre-boost levels.\nDr. Burton said government regulators may want to consider recommending the higher-dose boosters to increase protection, at least among people at higher risk of more severe Covid-19.\nHowever, in a separate study, Moderna said people receiving the higher-dose booster had more frequent adverse reactions than those who received the lower dose.\nDr. Burton said the reactions include headache, fever and joint stiffness and should be balanced against the potential benefits of a higher-dose booster.\nModerna also tested other experimental booster shots that target older variants, including Delta, and found they provided a comparable boost to antibody levels against Omicron as its original vaccine booster shot.\nPfizer and BioNTech said a third dose of their Covid-19 vaccine increased neutralizing antibodies against Omicron compared with just two doses.\nGiven the speed of Omicron’s spread, Moderna said its near-term priority will be to continue making booster shots of its original vaccine available.\nIt said it would keep working on an Omicron-specific booster shot, in case it is needed. Moderna expects to start clinical trials of an Omicron-specific booster in early 2022.\nThe new data on Moderna’s booster and Omicron came from lab tests that mix blood samples from vaccinated people with an engineered virus that resembles the Omicron variant. The tests were conducted at Duke University Medical Center labs that were established by the National Institute of Allergy and Infectious Diseases, Moderna said.","kind":"news","is_publish_news":true,"is_publish_highlight":true,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"0","news_tag":"","news_rank":0,"symbols":[],"gpt_button":1},"commentList":[{"id":693212980,"gmtCreate":1640039206688,"gmtModify":1640039206688,"author":{"id":"3561596430587504","authorId":"3561596430587504","name":"robot1234","avatar":"https://static.laohu8.com/default-avatar.jpg","vip":1,"crmLevel":6,"crmLevelSwitch":0,"idStr":"3561596430587504","authorIdStr":"3561596430587504"},"htmlText":"The omicron variant is raging across to the world as the winter holiday season approaches. 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