So far, vaccination means that the rise in cases is not translating to a rise in severe illness and deaths. Fatigue. SUMMARY : The basics of the Omicron sub-variant, the BA.5, which is currently the majority in France: BA.5 is more contagious than BA.2 (January wave), which was itself more contagious than BA.1 and even more than Delta (variant 2021). It remains vital that anyone with COVID-19 symptoms isolates and gets aPCRtest immediately. Vaccination remains our best defence against future COVID-19 waves, so it is still as important as ever that people come take up all the doses for which they are eligible as soon as possible. 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 original Delta variant remains overwhelmingly dominant in the UK, making up approximately 99.8% of all cases. Whilst there are insufficient data to quantify either vaccine effectiveness or risk of reinfection in the UK exactly, the observed growth, case distribution and early analyses in both South Africa and the UK are consistent with some loss of immune protection against infection. Continue to exercise caution. The most affected local authorities are West Northamptonshire, where there are 49 confirmed cases and 68 SGTF, and Manchester, where there are 7 confirmed cases and 61 SGTF. 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. There is further data showing that effectiveness against symptomatic disease is significantly lower compared to the Delta variant, and wanes more quickly. 1 case has been identified in Wales. 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. There is no data to suggest that BA.2 leads to more severe disease than previous Omicron sub-variants. As with previous variants, experts believe vaccines will continue to be highly effective against severe illness, hospitalisation, and death. 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. B.1.1.529 has a large number of mutations in the gene coding for the spike protein, and also in other parts of the viral genome. This suggests that, as immunity begins to wane, these newly emerging BA.2 variants may fuel future waves of SARS-CoV-2 infection. According to Baric, Omicron is the first SARS-CoV-2 variant to evolve in the context of mounting immunity in the populationthe result of vaccines and prior infection with other forms of the . BA.2 Omicron Subvariant Can Damage Your Lungs, Cause More Severe Disease Than You Can Expect: Study BA.2 Omicron Subvariant Can Damage Your Lungs, Cause More Severe Disease Than You Can. Even if a smaller proportion of these individuals require hospitalisation, these are still large numbers of people requiring hospital care and pressures on the NHS will increase. According to the ZOE study - conducted across Omicron and Delta waves for comparison - there are five key symptoms of the Omicron variant. A booster dose was associated with a 74% reduced risk of hospitalisation in the first 2 to 4 weeks after vaccination, with the figure dropping to 66% 10 weeks or more after this dose. It has since swept the globe, eventually vanquishing other variants including delta. While on one hand, this statement gives a ray of hope that BA.2 sub variant of Omicron which was thought to be severe is mild as the BA.1 subvariant is, but on the other hand with the report of . The worst symptom is a "throat on fire," said University of California, San Francisco's Dr. Peter Chin-Hong. A NEW Covid-19 Omicron sub-variant is spreading across Ireland and is the most infectious strain yet. Experts in Kolkata say that BA.2 symptoms are mostly associated with abdomen and stomach instead of cough or shortness of breath. Dr Mary Ramsay, Head of Immunisation at UKHSA, said: These early estimates should be treated with caution but they indicate that a few months after the second jab, there is a greater risk of catching the Omicron variant compared to Delta strain. UKHSAreleases weekly updates on the number of confirmed new cases of variants of concern and variants under investigation identified in the UK. Stay at home if you have any respiratory symptoms or a fever and limit contact with others until you are feeling better, particularly if they are likely to be at greater risk if they contract COVID-19. BA.1 accounts for most of the cases. Early data shows that young children who are hospitalised experience mild illness and are discharged after short stays in hospital. One individual diagnosed in hospital has sadly died. According to Boden-Albala said, those symptoms may include the following: Fever Chills Fatigue Cough Body aches Shortness of breath Sore throat Additionally, some people may report upper. Delta remains the predominant variantin England, accounting for over 99% of all COVID-19 cases. 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. In addition, UKHSA has published data which shows the detection of cases exhibiting S-gene target failure (SGTF) in recent weeks across the country. UKHSA is gathering scientific information as quickly as possible in order to inform the right balance of interventions to prevent transmission and protect lives. These are some of the symptoms that you should be looking out for: High temperature. Our data shows that LFD tests are similarly able to detect COVID-19 in individuals who have been exposed to Omicron as in those exposed to previous variants. In the last week, VUI-21OCT-01 accounted for approximately 6% of all Delta cases. The following are the symptoms of this subvariant: The most common symptom is a sore throat that causes dryness, itching, and pain in the throat Low-grade fever Runny nose Sneezing Mild to moderate fatigue Headache 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). An ad blocker has likely prevented this video content from loading. Thats why its critical that anyone with COVID-19 symptoms isolates and gets a PCR test immediately. Initial data suggests that LFDs are as likely to detect Omicron as other variants including Delta, which has been the dominant variant in the UK from May to December 2021. 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.. Among those who had received 2 doses of Pfizer or Moderna, effectiveness dropped from around 65 to 70% down to around 10% by 20 weeks after the seconddose. The B.1.1.529variant includes a large number of spike protein mutations as well as mutations in other parts of the viral genome. UKHSA scientists are urging anyone who has not had all the vaccines they are eligible for to make sure that they get them as soon as possible. There is insufficient data to make any assessment of protection against severe disease, or to assess the severity of illness caused by Omicron. The risk of catching or passing on COVID-19 is greatest when someone who is infected is physically close to, or sharing an enclosed or poorly ventilated space with, other people. There can be several reasons for growth advantage, but in the case of BA.4 and BA.5, laboratory data suggests a degree of immune escape which is likely to contribute. We will continue to closely analyse all available biological, epidemiological and genomic evidence for any SARS-CoV-2 variant in the UK or internationally. It is critical that anyone with COVID-19 symptoms isolates and gets a PCR test immediately. A further 3 cases have been identified in Scotland, bringing the total to 13. The earliest of these has a specimen date of 19 January 2022. In some places, growth in recorded cases of the sub-variant has been sharp. Following the first 2 confirmed cases of the SARS-CoV-2 variant known as B.1.1.529 on 27 November, the UK Health Security Agency (UKHSA) has identified one further case of COVID-19 with mutations consistent with B.1.1.529 in the UK. The Delta variant sub-lineage known as Delta AY.4.2 was designated a variant under investigation (VUI) by the UK Health Security Agency (UKHSA) on 20 October 2021 and has been given the official name VUI-21OCT-01. Dont include personal or financial information like your National Insurance number or credit card details. Dr Jenny Harries, Chief Executive of UKHSA, said: We are continuing our efforts to understand the effect of this variant on transmissibility, severe disease, mortality, antibody response and vaccine efficacy. 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. However, it is not confirmatory as there are a number of other reasons that a sample might exhibit SGTF. 2 or Stealth Omicron causes. Previous variants of concern which no longer meet the criteria will be redesignated. Inthe SIREN study, a large cohort of healthcare workers are tested regularly by PCR to detect asymptomatic infection in addition to normal testing practices for symptomatic infection. Approximately half of PCR tests in the UK are able to detect SGTF. If you have any symptoms of a respiratory infection, and a high temperature or feel unwell, try to stay at home or away from others especially those who are elderly or vulnerable. The Delta variant, for example, comprises 200 different sub-variants. This data shows that protection against severe illness from COVID-19 remains at over 90% in those aged 65 and over up to 14 weeks after a booster dose. The UK Health Security Agency (UKHSA) has published the latest Variant Technical Briefing. These early findings should be interpreted with caution as transmission data and dynamics can fluctuate, meaning that early findings can change quickly when new variants are identified. UKHSA will continue to designate new variants, and these will receive a variant number (in the format V-date-number). The data once again shows that coming forward for your jab, particularly your third dose, is the best way of protecting yourself and others against infection and severe disease.
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