Health and Social Care Secretary, Sajid Javid, said: We are learning to live with this virus and thanks to our world-leading surveillance system we can rapidly detect and carefully monitor any genetic changes to COVID-19. The total number of confirmed cases in England is now 29. There is currently insufficient evidence to draw conclusions about growth advantage or other properties of this variant. However, the preliminary data showed effectiveness against the new variant appears to increase considerably in the early period after a booster dose, providing around 70% to 75% protection against symptomatic infection. A major ailment is not to be expected for the age group 20-50 years. One study has suggested that it may be difficult to identify this variant . Can Nigeria's election result be overturned? Because of a quirk in how it shows up in test results, we can see the numbers of suspected BA.2 doubled in the week up to 24 January. Ongoing analysis by UKHSA has found no evidence that infection with Omicron BA.2 results in a greater risk of hospitalisation, compared to Omicron BA.1. Although there was a rapid increase in SARS-CoV-2 infections in care homes during December 2021 in line with case rises in the community, there has not been an associated increase in hospital admissions. Professor Susan Hopkins, Chief Medical Advisor, UKHSA said: Recombinant variants are not an unusual occurrence, particularly when there are several variants in circulation, and several have been identified over the course of the pandemic to date. The genome of VUI-21OCT-01 does not have many mutations compared to Delta. Thanks to the expertise of scientists at UKHSA and partner organisations, were able to respond quickly to new variations of the virus. For the first time, this data includes analysis on vaccine effectiveness 15+ weeks after the booster dose. They are our best defence and we have turbocharged our rollout programme inviting 7 million more people over the age of 40 to get their booster jab so even more people get protection from this disease. Vaccination is critical to help us bolster our defences against this new variant please get your first, second or booster jab without delay. The BBC is not responsible for the content of external sites. There are simple things you can do in your daily life that will help reduce the spread of COVID-19 and other respiratory infections and protect those at highest risk. The team at ZOE, a study that tracks symptoms . Getting your booster jab remains the most effective way of protecting yourself and others from infection and severe disease. This is to be expected and UKHSA is monitoring the situation closely. Cases have been confirmed through whole genome sequencing in all 9 regions of England. The technical briefing also includes early analysis of vaccine effectiveness against the Omicron variant compared to Delta. The latest version raising alarms is an emerging subvariant of Omicron called BA.2. It showed that the AstraZeneca and Pfizer-BioNTech vaccines provided much lower levels of protection against symptomatic infection compared to the protection that they provide against Delta. This analysis is preliminary and highly uncertain because of the small numbers of Omicron cases currently in hospital, inability to effectively measure all previous infections and the limited spread of Omicron into older age groups. Night sweats Scratchy throat Dry cough Mild muscle aches In data published by the UKHSA on January 14, they found that NHS test and trace data revealed a loss of smell or taste was reported less. Thanks to very high levels of vaccine coverage we already have a robust wall of defence against COVID-19 as new variants emerge. UKHSAs latest analysis suggests that Omicron BA.5 is growing 35.1% faster than Omicron BA.2, while Omicron BA.4 is growing approximately 19.1% faster. Since the middle of February, this growth rate has settled at approximately 75% higher than other circulating Omicron lineages in England. Omicron has branched into three lineages, explains Thomas Russo, M.D., professor and chief of infectious disease at the University at Buffalo in New York: BA.1, BA.2, and BA.3. Although hospitalisations and deaths remain low, cases are still high in some areas and some age groups so its important that we continue to act cautiously as restrictions are lifted. The v In total, 40 countries have uploaded 8,040 BA.2 sequences to GISAID since 17 November 2021. As viruses mutate often and at random, it is not unusual for small numbers of cases to arise featuring new sets of mutations. It contains epidemiological data and updated analysis of COVID-19 variants currently circulating in the UK. BA.3 shares most of its mutations with BA.1 and BA.2 except for one. This suggests that BA.5 is likely to become the dominant COVID-19 variant in the UK. That's because there could be cross-immunity - an infection with BA.1 could offer some protection against BA.2. You have accepted additional cookies. Hospital admissions are increasing, and we cannot risk the NHS being overwhelmed. Vaccination is critical to help us bolster our defences against this new variant please get your first, second or booster jab without delay. BA.2 omicron symptoms According to the CDC, the symptoms of Covid-19, including BA.2, are: Fever or chills Cough Shortness of breath or difficulty breathing Fatigue Muscle or body. As we cautiously return to Plan A, I encourage you to give yourself and your loved ones the best protection possible and Get Boosted Now. So, like the original omicron strain (BA.1), the primary symptoms of a mild BA.2 infection are a cough, fever, fatigue and possible loss of taste or smell. As previously published, data continues to show vaccine effectiveness against hospitalisation for Omicron remains high. As of 18 July 2022, there were 24 cases of BA.2.75 in the UK. Currently, no experimental data has been reported about BA.2 and BA.3. Well send you a link to a feedback form. However, some experts believe that BA.2 doesn't present symptoms different from the original Omicron. According to the CDC, the Omicron variant spreads more easily than the original SARS-CoV-2 virus and the Delta variant. UKHSAwill continue to carry out laboratory and epidemiological investigations to better understand the characteristics of this variant. Dr Susan Hopkins, Chief Medical Adviser at UKHSA, said: Hospitalisations always lag a few weeks behind infections, therefore it isnt surprising that we have started to see people being admitted to hospital with the Omicron variant. Experts in Kolkata say that BA.2 symptoms are mostly associated with abdomen and stomach instead of cough or shortness of breath. Data by variant related to intensive care unit admissions is presented and an analysis into the effect of the recent surge of Omicron cases in care homes is also available in the latest technical briefing. We will continue to closely analyse all available biological, epidemiological and genomic evidence for any SARS-CoV-2 variant in the UK or internationally. An individual with Omicron is estimated to be between 31 and 45% less likely to attend A&E compared to Delta, and 50 to 70% less likely to be admitted to hospital. UKHSA is monitoring this closely. The BA.2 subvariant of Omicron, or the "stealth" variant, has been outcompeting the previously dominant BA.1 subvariant in several countries. This analysis found that the risk of presentation to emergency care or hospital admission with Omicron (testing for symptomatic or asymptomatic infection) was approximately half of that for Delta, while the risk of hospital admission alone with Omicron was approximately one-third of that for Delta. That contrasts to Denmark, where it has become dominant. A further case has been identified in Scotland, bringing the total to 10. We have now identified cases in the East Midlands, East of England, London, South East and North West. Since BA.2 is a sub-strain of the Omicron variant, it is expected that its symptoms will be similar. It remains vital that anyone with COVID-19 symptoms isolates and gets aPCRtest immediately. . Overall, data shows significant reductions in neutralisation against several of the newly emergent variants (BA.2.75.2, BA.2.3.20 and BJ.1), compared to BA.2, BA.4 and the dominant BA.5. The highly transmissible Omicron variant now accounts for half of the world's infections. New sub-lineages within Delta continue to be identified. The UK Health Security Agency (UKHSA) has published a new variant technical briefing describing ongoing work on the Omicron variant. This is consistent with analysis published yesterday by Imperial College London and the University of Edinburgh. This analysis is not an assessment of hospital severity, which will take further time to assess. 2023 BBC. 2. This analysis excludes individuals with confirmed previous COVID-19 infection. Please make sure to wear a mask in line with government guidance, including on public transport and in shops, to help break the chains of transmission and slow the spread of this new variant. Susan Hopkins, Chief Medical Advisor at UKHSA, said: This latest set of analysis once again demonstrates that a booster dose of the vaccine provides you with significant protection against hospitalisation from Omicron. Following the change in JCVI advice today, a booster dose for everyone over 18 years is now recommended and will be available at a minimum of 3 months from your last primary course jab. Genome sequencing among the states is not always fair. pic.twitter.com/ESQupxUet4. A detrimental change in biological properties (changes in transmissibility, severity or immune evasion) compared to the current dominant variant. UKHSA encourage everyone to continue to follow the most up-to date guidance. We have seen a rise in hospital admissions in line with community infections but vaccinations are continuing to keep ICU admissions and deaths at low levels. It is never too late to come forward for your first dose and its vital that everyone comes forward to get boosted now as we head into the new year. We have started to see cases where there are no links to travel, suggesting that we have a small amount of community transmission. BA.2.75.2 as a new variant but singled it out as an . moderate COVID-19 symptoms who are at high risk of . The UK Health Security Agency (UKHSA) has released variant technical briefing 41. BA.2 Symptoms Not That Different From Omicron, Delta. UKHSA analysis shows that the risk of hospital admission for an identified case with Omicron is reduced compared to a case of Delta. UK Health Security Agency (UKHSA) has published variant technical briefing 24. Yet fears of another Omicron wave in the United States may be. The individuals who have tested positive and their contacts have been asked to self-isolate. UKHSA will continue to monitor the situation closely as a matter of routine, as we do all data relating to SARS-CoV-2 variants both in the UK and internationally. Where variant information was available, the majority of intensive care unit (ICU) admissions from 24 November 2021 to 19 January 2022 had Delta infections. The Philippines' Department of Health (DOH) said the BA.2 sub-lineage was already prevalent in samples it received at the end of January. They also say that Omicron symptoms are typically mild, and herd immunity is at . XBB.1.5 remains at very low prevalence in the UK, so estimates of growth are highly uncertain. At this point it is not possible to determine where the sublineage may have originated. "It's important to know and recognize all of the. The odds of reporting long COVID symptoms four to eight weeks after a first COVID-19 infection were 21.8% higher after an infection compatible with Omicron BA.2 than Omicron BA.1 among adults who were triple-vaccinated when infected; this was after adjusting for socio-demographic characteristics and time since last COVID-19 vaccination. The UK Health Security Agency (UKHSA) has published a new variant technical briefing containing updated analysis on Omicron hospitalisation risk and vaccine efficacy against symptomatic disease and hospitalisation.
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