Pune district has reported 21 XBB cases to date, followed by 10 in Thane, two in Nagpur and one each in Akola, Amravati and Raigad.
Taiwan has reported 6.3 million domestic cases since the beginning of the year, driven by the more infectious Omicron variant. With more than 99% of those showing no or only mild symptoms, the government has relaxed restrictions in its "new Taiwan model".
The renewed surge in cases, mostly of the BA.4/5 Omicron variants, provides a further challenge for authorities grappling with the economic fallout of earlier waves of the pandemic while trying to avoid extending or reintroducing unpopular restrictions.
The man, who lives in South Africa, had on May 1 tested positive for the coronavirus after he arrived to meet his parents.
In experiments using mice and blood samples from donors who were infected with Omicron, researchers at Gladstone Institutes and University of California, San Francisco (UCSF) in the US found that the Omicron variant induces only a weak immune response.
Gross domestic product for the first quarter of 2022 contracted by 4 percent from a year earlier, according to advance government figures released on Tuesday.
Beijing’s local government has ordered Chaoyang district, home to some 3.5 million residents, to have three rounds of mass nucleic acid testing starting from Monday after the district registered the most COVID-19 cases in the capital’s latest epidemic surge, official media reported.
Genome sequencing of 578 samples collected from the deceased showed 560 of them had the Omicron variant.
The rise of BA.2 has been blamed for recent surges in China as well as record infections in Europe. It has been called the "stealth variant" because it is slightly harder to track than others.
Deltacron, the new variant of coronavirus is a hybrid of Delta and Omicron i.e. it contains the elements of both variants.
With the surge of Omicron subvariants BA.1 and BA.2, a large number of reinfections from earlier cases have been observed, the researchers said.
In the past week, South Korea has begun asking patients who test positive to simply look after themselves at home, while the country redirects resources to those who are most vulnerable.
The yet-to-be peer-reviewed findings, recently posted on the preprint repository BioRxiv, show that the BA.2 sub variant may have features that make it as capable of causing serious illness as older coronavirus variants.
The Omicron variant, which is dominating the surge around the world, accounts for almost all new cases reported daily. While cases have begun to level off in many countries, more than 2 million cases are still being reported on average each day, according to a Reuters analysis. Deaths, which tend to lag cases, have increased by 70 percent in the last five weeks based on the seven-day average.
The coronavirus is still spreading rapidly through India, prompting anxiety as the elections attract millions to polling booths. Balloting will take place in Uttar Pradesh, Punjab, Uttarakhand, Goa and Manipur. The polls end on March 7 and results are to be declared on March 10.
Cumulatively, 54,11,58,635 first doses have been administered to people in the 18-44 age group and 40,58,44,481 have got the second dose in the same group since the start of phase three of the vaccination drive, according to Health Ministry data.
The latest additions pushed the overall caseload to 77,21,109 and the death toll to 1,42,611, it said.
With this, the tally of coronavirus infections in the city rose to 10,46,590, while the death toll increased to 16,623, the Brihanmumbai Municipal Corporation (BMC) said in a bulletin.
NHS England said nearly 500,000 eligible children in England are set to receive their first dose of a COVID vaccine in line with advice set out by the Joint Committee on Vaccination and Immunisation (JCVI).
UKHSA said that there was an increased growth rate of BA.2 compared with BA.1 in all regions of England where there were enough cases to compare them, and that "the apparent growth advantage is currently substantial".
Schools have been closed in most parts of the country for physical classes after the emergence of the new Omicron variant of the virus.
The study was conducted on 39 individuals, of which 25 had taken both the doses of AstraZeneca COVID-19 vaccine, eight people had taken double dose of Pfizer jab, while six were unvaccinated.
Pfizer's CEO Albert Bourla has previously said that the pharmaceutical giant could be ready to file for regulatory approval of the shot by March.
The Omicron variant can survive longer than earlier versions of the coronavirus on plastic surfaces and human skin, Japanese researchers found in laboratory tests. Here are summaries of some recent studies on COVID-19.