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 UK Health Security Agency (UKHSA) is reminding people to ensure their COVID-19 vaccinations are up to date and to continue following COVID-safe behaviours, as latest technical data indicates BA.4 and BA.5 have become dominant in the UK and are driving the recent increase in infections. UKHSAis acting to get scientific information available as quickly as possible in order to inform the right balance of interventions to prevent transmission and protect lives. Work is underway to identify any links to travel. Cases are currently very high in the UK, and even a relatively low proportion requiring hospitalisation could result in a significant number of people becoming seriously ill. In some countries, BA.2 accounts for more than half of sequenced Omicron cases, it adds. Overall numbers of ICU admissions have decreased over time, but where data was available admissions with Omicron have increased from 9% to more than 50% in the most recent week. The UK Health Security Agency (UKHSA) has identified 8 further cases of COVID-19 with mutations consistent with B.1.1.529 in England, in addition to the previous 5 confirmed cases of the SARS-CoV-2 variant known as B.1.1.529. Omicron symptoms: What we know about illness caused by the new subvariants Its not too late to catch up if youve missed boosters, or even first doses so please take your recommended vaccines. The risk assessment also suggests that Omicron displays a reduction in protection offered by having had a previous infection or vaccination. Hospital cases are also rising, but vaccines are still helping to stop many severe. 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. It includes a complete list of studies planned and already under way into the emerging variant. Vaccine effectiveness (VE) against Omicron has again been updated in this weeks briefing. The B.1.1.529variant includes a large number of spike protein mutations as well as mutations in other parts of the viral genome. BA.2, also coined as the "stealth" variant, is a relative of Omicron's original variant, BA.1, which tore through the Australian community over Christmas and the New Year period. 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. However, confidence levels for severity indicators for children are low because further analysis is required to compare the risk of hospitalisation between Omicron and Delta, and to assess the clinical nature of illness in children. It is also absolutely critical that we all do what we can to reduce transmission in the community so that we have time to administer as many booster doses as possible. What is the Covid BA.2 variant? Symptoms of Omicron sub-variant Vaccine effectiveness against severe disease from Omicron is not yet known but is expected to be significantly higher than protection against symptomatic disease. The areas with the largest number of confirmed cases are London (146) and the South East (97). Typical meningitis symptoms include neck stiffness or pain, numbness, tingling, and sensitivity to light. We are continuing to monitor the data closely. Wear a mask in crowded spaces and, when meeting people indoors, open windows and doors to ventilate the room. BA.2 Symptoms Usually Appear in This Order - Yahoo! When the reduced risk of hospitalisation was combined with vaccine effectiveness against symptomatic disease, the vaccine effectiveness against hospitalisation was estimated as 52% after one dose, 72% 2 to 24 weeks after dose 2, 52% 25+ weeks after dose 2 and 88% 2 weeks after a booster dose. Check benefits and financial support you can get, Find out about the Energy Bills Support Scheme, National flu and COVID-19 surveillance report, higher risk of becoming seriously ill from respiratory infections, including COVID-19, this data should be interpreted with caution, This assessment is based on analysis of UK data, data on Omicron cases is published regularly here, Six cases of the SARS-CoV-2 variant known as B.1.1.529, Investigation of SARS-CoV-2 variants of concern: variant risk assessments, Investigation of SARS-CoV-2 variants: technical briefings, Coronavirus (COVID-19): guidance for local government, let fresh air in if meeting others indoors, wear a face covering or a face mask, particularly if you are in crowded and enclosed spaces. SARS-CoV-2 Omicron variant - Wikipedia A BA2 variant's symptoms are similar to those of Omicron. COVID & Gut Health: Why Are Omicron, BA.2 Causing More - TheQuint The analysis looked at 581 people with confirmed Omicron. As set out last week, the effectiveness of all vaccines against symptomatic infection continues to be lower in all periods against Omicron compared to Delta. #India is another country where #SARS_CoV_2 BA.2 is rapidly replacing #Delta & #Omicron BA.1. These are potentially biologically significant mutations which may change the behaviour of the virus with regards to vaccines, treatments and transmissibility. Twoto4 weeks after a booster dose, vaccine effectiveness ranged from around 65 to 75%, dropping to 55 to 70% at 5 to 9 weeks and 40 to 50% from 10+ weeks after the booster. The Omicron variant sub-lineage known as BA.2 has been designated a variant under investigation ( VUI-22JAN-01) by the UK Health Security Agency (UKHSA). There is currently insufficient evidence to draw conclusions about growth advantage or other properties of this variant. New sub-lineages within Delta continue to be identified. Omicron BA.2 lacks the genetic deletion on the spike protein which produces S-gene target failure (SGTF) in some polymerase chain reaction (PCR) tests, which has been used as a proxy for Omicron cases previously. We urge these people in particular to get up-to-date. Omicron Sub-Variant BA.2: Symptoms, Differences, And Chances Of These groups have been prioritised for booster doses since the start of the rollout in September to increase their protection. The UKHSAs COVID-19 variant technical briefing 43, published today, includes epidemiological analysis that shows that Omicron BA.4 and BA.5 now make up more than half of new COVID-19 cases in England, accounting for approximately 22% and 39% of cases, respectively. 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. Of these, XD and XF are recombinants of Delta and Omicron BA.1, while XE is a recombinant of Omicron BA.1 and BA.2. BA.2.75.2 as a new variant but singled it out as an . So far, there have been 717 V-22OCT-01 sequences uploaded from the UK to the international GISAID database. And now, dizziness and fatigue are beginning to emerge as potential symptoms of the new sub-strain of Omicron, along with the original Covid symptoms. What are the five main Omicron symptoms? - Open Access Government What Are the Symptoms of Omicron BA.5? - Verywell Health What's the least amount of exercise we can get away with? As viruses mutate into new variants, they sometimes split or branch off into sub-lineages. The analysis shows that coronavirus (COVID-19) cases in the UK are primarily made up of BQ.1 and its sublineages, consistent with the UKHSA risk assessment published in October. Vaccination is critical to help us bolster our defences against this new variant please get your first, second, third or booster jab without delay. The UK Health Security Agency (UKHSA) has released variant technical briefing 50. As the coronavirus continues to evolve, a new highly contagious Omicron variant is appearing in India and other nations, including the United States, experts say.. Coronavirus Omicron Symptoms: 2 new BA.2 Omicron variant symptoms that All age groups are affected, including the 75s and over, who are due a spring booster jab to top up protection. Its critical that anyone with COVID-19 symptoms isolates and gets a PCR test immediately. BA.2, a SARS-CoV-2 Omicron Variant, Explained - Health This is early-stage analysis and we continue to monitor the data hour by hour. 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. It is very likely that we will find more cases over the coming days as we are seeing in other countries globally and as we increase case detection through focused contact tracing. Everybody who is contacted or has symptoms should take a PCR test as soon as possible, even if they have received a positive COVID-19 PCR test within the last 90 days. BA.2 continues to demonstrate a substantial growth advantage. The BA.2 variant is a sibling of the BA.1, which swept across the country over Christmas. That's because there could be cross-immunity - an infection with BA.1 could offer some protection against BA.2. There are indications of a small rise in children admitted to hospital, but these early signals need further investigations before we can draw any conclusions about whether Omicron causes more severe illness in children. Studies have also shown that Omicron infects and multiplies in the upper airways 70 times faster than the previous Delta variant. A recombinant variant occurs when an individual becomes infected with 2 or more variants at the same time, resulting in a mixing of their genetic material within the patients body. This analysis excludes individuals with confirmed previous COVID-19 infection. Thats why its critical that anyone with COVID-19 symptoms isolates and gets aPCRtest immediately.
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