And, as more data about the variant becomes known, a pattern in early symptoms is emerging. A preprint study of more than 60,000 people in the United Kingdom indicates that people who are infected with Omicron have symptoms for about two days fewer than those infected with Delta, on average. This makes it pretty close to measles, the most contagious disease we know about. There are several genetically distinct versions of Omicron. Here is what you need to know. — Professor Adrian Esterman (@profesterman) March 10, 2022 Whether the subvariant causes more severe symptoms or illness is not yet known. BA.2, also known as "stealth omicron," is considered a subvariant of omicron, but, according to Chicago's top doctor, the suvariant is now making up at least two-thirds of the city's COVID cases. Tell us what’s happening with the new omicron subvariant. A new subvariant of Omicron is set to become the dominant variant of COVID-19 in the U.S. soon. The BA.2 variant is a sibling of the BA.1, which swept across the country over Christmas. Omicron BA.2 Variant Symptoms. Scientists are still learning about the BA.2 variant and its potential effects on testing, but the CDC’s director Rochelle Walensky, MD, MPH, said BA.2 does not appear to evade vaccines or immunity any more than the previous strain of Omicron. A subvariant of Omicron, BA.2, is leading to a new wave of Covid-19 infections across Europe. In a news briefing Wednesday, Denmark’s health officials reported that while the BA.2 variant is more contagious, there is no evidence that it affects hospitalizations or deaths. Omicron BA.2 is about 1.4 times more infectious than BA.1. The v… How worried should people be about the new cornavirus variant? In the United Kingdom, the BA.2 variant was growing … BA.2.12.1, a new descendant of the BA.2 subvariant of Omicron, is spreading quickly. BA.2.2 symptoms: The two COVID-19 patients in Israel had mild COVID-19 symptoms from the variant, including “fever, headaches and muscle aches,” the Health Ministry said. While the omicron variant was the dominant COVID-19 strain earlier this year, the BA.2 subvariant, also known as "stealth omicron," now accounts for the majority of coronavirus cases in the U.S. Pekosz also discusses who should be most concerned about getting sick, what might happen in the coming weeks, and what we can learn about the omicron variant from the Hong Kong and China COVID crises. The basic reproduction number (R0) for BA.1 is about 8.2, making R0 for BA.2 about 12. During January 2022, in Denmark the BA.2 variant grew at ~0.10 per day (+11% per day) as a ratio to BA.1 (the legacy Omicron variant), and became the dominant strain in week 2, 2022. However, there are no indications that it does. Know symptoms of new Covid variant and if vaccines are effective against it. Since BA.2 is a lineage of the original Omicron variant, the symptoms of BA.2 are closely related to Omicron. What is BA.2 and is it worrisome? Health officials have discovered that the BA.2 subvariant of the omicron variant of COVID-19 can have additional symptoms that do not manifest in the original strains. The symptoms of the BA.2 subvariant of COVID-19's omicron variant are so similar to spring allergies that the only way to tell the difference is through COVID-19 testing. In the likeliest scenario, BA.1, BA.2 and a third Omicron subvariant that never took off—BA.3—evolved over the course of chronic infections in a small population of immune-compromised people. Skip to Article Set weather In India, BA.2 is rapidly replacing the Delta and Omicron BA.1 variants of Covid The highly transmissible Omicron variant now accounts for half of the world's infections. BA.2.12.1, a new descendant of the BA.2 subvariant of Omicron, is spreading quickly. The UK has been hard-hit by a further spike in Covid-19 cases in recent weeks, with infections being driven by a sub-lineage of the Omicron variant known as BA.2 or “Stealth Omicron”.. Three different versions of omicron are sort of lumped together: BA.1, BA.2, and BA.3. A NEW Covid-19 Omicron sub-variant is spreading across Ireland and is the most infectious strain yet. BA.2.12.1 is a descendant of the BA.2 virus, a subvariant of the omicron strain of COVID. Experts said symptoms of BA.2 are similar to that of the original omicron variant both in terms of what patients are experiencing and severity. The BA.2 COVID-19 variant — a subvariant of the omicron variant — reportedly creates different COVID-19 symptoms compared to earlier strains, per KREM 2 News.. Both the original BA.1 and the subvariant BA.2 are known to cause milder infections than Delta and prior variants. Will vaccines protect against it? The BA.2 sub-variant of Omicron has produced more mutated offshoots, which are gaining foothold in the United States, according to Centers for Disease Control (CDC). Initially, the subvariant known as BA.1 was the most common. The news: Spokane Regional Health District Health Officer Francisco Velazquez told KREM 2 News that the BA.2 variant spreads more easily than the original omicron and comes with more …