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omicron

First detected in South Africa and classified as a variant of concern by the World Health Organisation, B.1.1.529 or Omicron is the 13th variant of the Covid-19 virus and the 5th variant of concern in total. Notably, Omicron stands 15th amongst Greek alphabets. While research is underway to understand the impacts of this virus, preliminary research suggests that the virus is infecting people who had a prior infection at a much higher rate than previous variants. Early indications also prove that it is milder and not as potent as prior Covid strains, however, it does reduce vaccine efficiency. While Omicron has, at present, been found in 68 countries across the world like India, Japan, South Korea and more, no deaths have been reported anywhere so far. Notably, The first known confirmed Omicron infection was determined from a specimen collected on November 9, 2021. zIn the US, the first reported and confirmed Omicron case was that of a California-based, fully vaccinated man who had returned from South Africa. Omicron is highly transmissible and less susceptible to inoculations. The new variant has been detected on every continent except Antarctica. India’s first Omicron case was detected in Karnataka and experts suggest that it is bound to surpass the relatively severe Delta variant in terms of spreading speed. More

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  • All you need to know about the Omicron XBB. 1.16 variant that is causing a fresh surge in COVID-19 cases in India March 20, 2023 03:33 PM IST

    All you need to know about the Omicron XBB. 1.16 variant that is causing a fresh surge in COVID-19 cases in India

    The latest uptick in coronavirus infections comes amid the parallel outbreak of seasonal flu, driven by H3N2 influenza virus, which is making people sick across the country

  • COVID-19: Experts stress weeks ahead crucial as cases creep up in many states March 13, 2023 01:40 PM IST

    COVID-19: Experts stress weeks ahead crucial as cases creep up in many states

    In light of a rising trend in influenza-like illnesses and severe acute respiratory illnesses being witnessed in many states, the Centre also called an interdepartmental review meeting last week

  • Influenza outbreak in several cities; patients report severe, longer sickness March 02, 2023 01:02 PM IST

    Influenza outbreak in several cities; patients report severe, longer sickness

    In India, influenza virus circulation usually peaks during the monsoon season between June-September with secondary peaks during winter seen between November-February

  • Budget 2023: Aviation industry has a wishlist but doesn't expect much action January 19, 2023 08:31 PM IST

    Budget 2023: Aviation industry has a wishlist but doesn't expect much action

    This year as well airlines are hoping to receive several monetary benefits and concessions from the government including a reduction in excise tax on ATF, which accounts for a significant chunk of an airline's operational costs.

  • Omicron XBB.1.5: All you need to know about this highly-contagious Covid variant January 06, 2023 12:38 PM IST

    Omicron XBB.1.5: All you need to know about this highly-contagious Covid variant

    XBB.1.5, one of the recent descendants of the highly-contagious Omicron, is spreading in the US. According to WHO, it’s the most transmissible version of Covid yet. Here’s all we know about it

  • 11 Omicron sub-variants found during testing of international travellers; all variants earlier reported in India: Report January 05, 2023 04:56 PM IST

    11 Omicron sub-variants found during testing of international travellers; all variants earlier reported in India: Report

    Of the 19,227 international travellers tested during the period, 124 were found Covid positive, they said, adding that all of them were put in isolation.

  • Four Omicron BF.7 cases detected in West Bengal January 04, 2023 10:43 PM IST

    Four Omicron BF.7 cases detected in West Bengal

    Genome sequencing of the four people, who have recently returned from the US, confirmed that they were infected with the new variant of the coronavirus

  • As testing rises 3-fold, COVID-19 cases in India register slight increase January 04, 2023 10:39 AM IST

    As testing rises 3-fold, COVID-19 cases in India register slight increase

    The weekly rolling average COVID-19 test positivity rate in India stood at 0.13 percent on January 3, way lower than the 5 percent level where it becomes alarming, by World Health Organization standards.

  • Omicron's XBB most prevalent sub-lineage circulating all over India: INSACOG bulletin January 02, 2023 11:02 PM IST

    Omicron's XBB most prevalent sub-lineage circulating all over India: INSACOG bulletin

    According to the bulletin, BA.2.75 and BA.2.10 were also circulating but in lesser extent.

  • 50-70% of those under 19 years globally still susceptible to SARS-CoV-2: Study December 31, 2022 07:24 PM IST

    50-70% of those under 19 years globally still susceptible to SARS-CoV-2: Study

    It also found that worldwide seroprevalence estimates varied from 7.3 per cent in the first wave of the COVID-19 pandemic to 37.6 per cent in the fifth wave and 56.6 per cent in the sixth wave.

  • Delhi: Omicron-driven Covid third wave in early 2022; government keeps eye on fresh threat December 31, 2022 11:17 AM IST

    Delhi: Omicron-driven Covid third wave in early 2022; government keeps eye on fresh threat

    Among other healthcare sector decisions, the Delhi government on December 13 had announced that it will provide 450 types of medical tests free of cost at its hospitals and health centres from January 1.

  • Don't worry, get a Covid vaccine booster shot December 31, 2022 10:58 AM IST

    Don't worry, get a Covid vaccine booster shot

    According to health ministry officials, the virus usually hits India about 30-35 days after it appears in East Asia. So the countdown has started. BF.7 could appear at our doorsteps in January.

  • Fourth Covid vaccine dose unwarranted right now but increased surveillance needed: experts December 28, 2022 04:20 PM IST

    Fourth Covid vaccine dose unwarranted right now but increased surveillance needed: experts

    As Covid gets back on the radar with a surge in China and people worry about another wave in India and whether the government should now allow a second booster shot to add to the two-jab protection, some scientists call for a reality check.

  • China’s economy shows increasing strain from the Covid tsunami December 26, 2022 06:21 AM IST

    China’s economy shows increasing strain from the Covid tsunami

    Although there’s no reliable data on the extent of the spread of the virus or the number of sick and dead now, it had reached every province before the end of extensive and regular testing

  • Covid test must for fliers from China, Japan, South Korea, Hong Kong and Thailand December 24, 2022 02:54 PM IST

    Covid test must for fliers from China, Japan, South Korea, Hong Kong and Thailand

    The current surge in Covid-19 infections is believed to be driven by Omicron sub-variant BF.7. In India, four cases of the variant have been detected so far.

  • India sees rise in Covid variants driving cases abroad, govt steps up surveillance December 23, 2022 02:14 PM IST

    India sees rise in Covid variants driving cases abroad, govt steps up surveillance

    The detection rate of BA.5 variant, whose sub-strain BF.7 is wreaking havoc in China, went up from 26% in September to 38% in December, while that of BQ.1.1 rose to 33% in December from 27% in September. Official says the rise is marginal

  • COVID policy-making task force hasn’t met since April December 22, 2022 03:34 PM IST

    COVID policy-making task force hasn’t met since April

    The National Task Force on COVID has met only seven times this year and some of its 24 members have retired

  • LIVE | China Covid Surge: Time For India To Mask Up Again? Dr Randeep Guleria Excl | Omicron BF.7 December 22, 2022 01:15 PM IST

    LIVE | China Covid Surge: Time For India To Mask Up Again? Dr Randeep Guleria Excl | Omicron BF.7

    Top epidemiologists have sounded alarm bells over the rising number of Covid cases in China. Four cases of the Omicron BF.7 sub-variant which is behind the China surge have been found in India. The Centre and the states are on alert again. While the government has advised people to wear masks in public places, they've also urged people not to panic. Prime Minister Narendra Modi will chair a high-level meeting to review the situation. Should India really be worried over the China outbreak? Moreover, how can we as individuals best exercise caution? Join the discussion with Medanta's Dr Randeep Guleria!

  • MC Explains | Why COVID-19 is spiking in China and whether you should be worried December 24, 2022 07:51 AM IST

    MC Explains | Why COVID-19 is spiking in China and whether you should be worried

    The situation in China has triggered global concern even though there is a lack of specific data on disease severity, hospital admissions and intensive-care requirements. The fear is that, as before, what happens in China may not stay in China.

  • Four cases of Covid variant driving China surge detected in India; govt directs random testing of foreign travellers: Sources December 23, 2022 01:53 PM IST

    Four cases of Covid variant driving China surge detected in India; govt directs random testing of foreign travellers: Sources

    In view of the rising threat, the health ministry has called for the random testing of international passengers at Delhi airport, the persons privy to the development said.

  • INSACOG closely assessing situation, vigilant on COVID mutant: NK Arora December 21, 2022 03:45 PM IST

    INSACOG closely assessing situation, vigilant on COVID mutant: NK Arora

    The co-chair of Indiá’s coronavirus genomic surveillance programme says a coordinated assessment has helped India detect several variants and contain outbreaks in the past

  • 3 cases of Omicron subvariant BF.7, driving China's Covid surge, detected in India December 21, 2022 03:38 PM IST

    3 cases of Omicron subvariant BF.7, driving China's Covid surge, detected in India

    The first case of BF.7 in India was detected in October by Gujarat Biotechnology Research Centre. So far, two cases have been reported from Gujarat while one case has been reported from Odisha.

  • Covid in China: What we know so far about the rapidly-spreading omicron subvariant BF.7 December 20, 2022 12:28 PM IST

    Covid in China: What we know so far about the rapidly-spreading omicron subvariant BF.7

    Since it emerged in 2021, the omicron variant of Covid-19 has evolved into multiple subvariants. Here is what we know so far about this rapidly-spreading subvariant BF.7

  • After a year, omicron still driving COVID-19 surges and worries in the US November 25, 2022 08:17 PM IST

    After a year, omicron still driving COVID-19 surges and worries in the US

    Phoenix-area emergency physician Dr Nicholas Vasquez said his hospital admitted a growing number of chronically ill people and nursing home residents with severe COVID-19 this month.

  • Pfizer/BioNTech Omicron shot shows immune response against BQ.1.1 subvariant November 18, 2022 05:47 PM IST

    Pfizer/BioNTech Omicron shot shows immune response against BQ.1.1 subvariant

    Antibody levels against the variant rose nearly 9 times in older adults, aged 55 and above, who received the Omicron shot compared to a 2-fold increase in participants with the original shot, according to data posted on the online archive bioRxiv.