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Omicron Update
Highly infectious new Omicron sub variant BF.7 detected in India
According to some reports, the first case of BF.7 has been detected by the Gujarat Biotechnology Research centre. This new Omicron variant is also considered to be highly infectious and has a greater transmissibility. Omicron sub-variants -- BA.5.1.7 and BF.7 -- after emerging from a region of Mongolia in China are now making their way to other parts and posing fresh threats.
Delhi's Covid positivity rate rises to 2.7% with 137 new cases
Delhi has reported 2.70 per cent Covid positivity rate on Monday which is highest in last two months. It had recorded 2.87 per cent on February 5. In the last 24 hours, a total of 137 fresh Covid cases were been reported in the city, taking the total case count to 18,66,380. However, no Covid related deaths have been recorded in the same period and the toll remains at 26,157.
Omicron sub-variant BA.2 gradually increasing in India: Centre
Addressing a Health Ministry press briefing, Singh said that Omicron sub-variant BA.2 is more prevalent in comparison to the BA.1 variant in India now, adding that the BA.3 sub-variant has not been detected in India yet. "Earlier, the BA.1 variant was dominant among the samples collected from the travellers. Now in community settings, we have found that the BA.2 sub-variant is gradually increasing," he said.
Omicron infected have significant immune response, can neutralise Omicron, Delta: ICMR
The study analysed the IgG and neutralising antibodies (NAbs) against B.1, Alpha, Beta, Delta, and Omicron variants with the sera of individuals infected with the Omicron variant (B.1.1529 and BA.1). It suggests that the immune response induced by the Omicron could effectively neutralise the Delta variant, making re-infection with Delta variant less likely and displacing this varaint as the dominant strain.
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Omicron in community transmission stage in India: INSACOG
The INSACOG reports genomic surveillance of SARS CoV-2 across the country through sequencing of samples from Sentinel sites and also detailed State wise district analysis for some states.
Omicron causing hospitalizations, deaths worldwide: WHO
Amid an ongoing resurgence across the world, the global coronavirus caseload has topped 333.5 million, while the deaths have surged to more than 5.55 million and vaccinations to over 9.68 billion, according to Johns Hopkins University.
No plausible reason for long Covid to be less with Omicron: Experts
According to the Centers for Disease Control and Prevention (CDC), long Covid "is a range of symptoms that can last weeks or months after first being infected with the virus that causes Covid-19 or can appear weeks after infection. Long Covid can happen to anyone who has had Covid-19, even if their illness was mild, or if they had no symptoms". More than 50 long-term effects of Covid-19 have been detected. But the most common symptoms reported by Covid survivors four to 12 weeks after acute infection are headache, fatigue, sleep disturbance, concentration difficulties and abdominal pain.
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