The "bivalent" jab, made by Pfizer/BioNTech, is directed at the highly infectious BA.4 and BA.5 types of the variant.
Number of people ending up in hospitals will soon hit an all-time high, says a top health official, after the country recorded over 300,000 infections in the last week.
Omicron variant BA.2.75, which has gained ground in India and shows up in several countries, may be able to spread rapidly and get around immunity from vaccines and previous infections, scientists say.
The two partners, makers of the Western world's most widely used Covid-19 shot, are currently discussing with regulators enhanced versions of their established shot to better protect against the Omicron variant and its sublineages.
Kim Jong Un looks set to soften Covid-19 restrictions amid possible fears by the country's political leadership that North Korea's economy is too fragile to handle extended lockdowns.
A recent study finds that if you are unvaccinated and contract the Omicron variant, you will still be vulnerable to other Covid-19 strains.
North Korean leader Kim in a meeting called for unity between the government and people to stabilize the outbreak as quickly as possible.
Pyongyang says six people died, one with confirmed Covid and nearly 190,000 are under quarantine following an "explosive" spread of fever across the East Asian nation, a day after declaring Covid outbreak in a largely unvaccinated population.
Pyongyang announces the country's first-ever case of Covid-19, with state media calling it a "severe national emergency incident" after more than two years of keeping the pandemic at bay.
Faced with the country's worst virus outbreak in two years, Shanghai has confined most of its 25 million people to their homes since last month, doubling down on the Communist Party's unrelenting zero-Covid approach.
Chinese financial hub says three people infected with Covid-19 died, the first time during the current outbreak that it reported deaths among coronavirus patients.
As China struggles to contain the spread of Covid-19, it's scientists race against time to upgrade existing vaccines.
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