AstraZeneca Booster Effective Against Omicron; Sinovac’s 3 Doses Aren’t
Oxford scientists, Reuters reports, have found that a booster shot (completing a 3-dose course) of AstraZeneca's covid shot tackles omicron variant covid. But Bloomberg reports on research showing a 3-dose course of China's Sinovac vaccine doesn't produce enough antibodies to combat omicron.
Reuters:
AstraZeneca Vaccine Booster Works Against Omicron, Oxford Lab Study Finds
A three-dose course of AstraZeneca's COVID-19 vaccine is effective against the rapidly-spreading Omicron coronavirus variant, the pharmaceutical company said on Thursday, citing data from an Oxford University lab study. (Aripaka, 12/23)
Bloomberg:
Sinovac Vaccine Efficacy: Three Doses Fail To Protect Against Omicron In Study
Two doses and a booster of the Covid-19 vaccine made by China’s Sinovac Biotech Ltd., one of the most widely used in the world, didn’t produce sufficient levels of neutralizing antibodies to protect against the omicron variant, a laboratory study found. The research suggests that people who’ve received Sinovac’s shot, known as CoronaVac, should seek out a different vaccine for their booster: Getting Germany’s BioNTech SE’s messenger RNA as a third dose saw those previously fully vaccinated with CoronaVac significantly improve in protective levels of antibodies against omicron, according to the study from the University of Hong Kong and The Chinese University of Hong Kong. (Hong, 12/23)
Reuters:
France Cancels Order For Merck's COVID-19 Antiviral Drug
France has cancelled its order for Merck & Co's COVID-19 antiviral drug following disappointing trial data and hopes instead to receive Pfizer's competing drug before the end of January, the health minister said on Wednesday. (Spencer and Parodi, 12/22)
NBC News:
Puerto Rico's High Vaccination Rates Help Minimize Hospitalizations Amid Surge
Two months ago, Puerto Rico led all states and U.S. territories in Covid-19 prevention and vaccination rates among adults and children. Now, with the rise of the omicron variant, Puerto Rico remains among the top three U.S. jurisdictions (alongside Vermont and Guam) with the highest rates of Covid-19 vaccinations, according to NBC News’ vaccination tracker. (Acevedo, 12/22)
In news about the Beijing Winter Olympics —
AP:
China Puts 13 Million Residents In Lockdown Ahead Of Games
China is redoubling efforts to control new virus outbreaks with a lockdown of the 13 million residents of the northern city of Xi’an following a spike in coronavirus cases. The measure comes just weeks before the country hosts the Winter Olympics in Beijing, roughly 1,000 kilometers (6210 miles) to the west. (12/23)
Reuters:
Winter Olympics: China Expects COVID Cases Due To Games Arrivals, Flags Omicron Risk
Organisers of the Beijing Winter Olympics said on Thursday they expect a "certain number" of COVID-19 cases in China due to foreigners arriving for the Games, and strongly urged participants to get vaccination boosters due to the spread of the Omicron variant. Officials also sought to alleviate concerns about health care for participants prompted by COVID as well as an accident last month in a luge training session at the Beijing venue during which a Polish slider suffered a severe leg injury. (Tian, 12/23)
