Thursday, February 9, 2023

Covid: How to know that I have BF.7 infection, is it more deadly? know everything

Jahangir Ali| BF.7 is a sub-variant of the fast spreading Omicron. It was first detected in the US and Europe before entering China, where it is rapidly increasing new infections.

Corona’s havoc is increasing in China right now.

Image Credit source: PTI

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The new mutation of Kovid-19, named BF.7, which is spreading rapidly in China, has prompted the central government to advise people to wear masks and get vaccinated. omicron strain So far four cases of BF.7 have been reported in the country of this sub-variant. Of these, three are from Gujarat and one from Odisha. Two infected persons had returned after traveling to America. These are women. However, all four have recovered now.

Even as the number of daily cases arriving in India is under control, the Center on Wednesday discussed measures to keep infected patients under surveillance and identify emerging variants.Samples of passengers arriving at international airports are being taken again . The Center has asked all states and union territories to send samples of all Covid cases to the Indian SARS-CoV-2 Genomics Consortium laboratories for genome sequencing.

What is BF.7?

Like all viruses, SARS-CoV-2, which caused the Covid pandemic in 2020, went through many mutations like alpha, delta, omicron and others. These variants branched off and evolved into more sub-variants to evade the human immune system and vaccines.

The first case of BF.7 (BA.5.2.1.7) was first detected in India in July. It is a sub-variant of the extremely fast spreading Omicron. It was first detected in the US and Europe before entering China, where it is rapidly increasing new infections.

How do I know I have a BF.7 infection?

Patients with BF.7 infection show symptoms similar to those infected with the Omicron variant. Its symptoms include upper respiratory infection, sore throat, fatigue, runny nose, cough and fever. Some patients may complain of loose motion and abdominal pain. Due to the new sub-variant, not many people have had to be admitted to the hospital. However, there are some cases in which the patient has developed pneumonia. Most experts agree that a fourth booster dose may provide some degree of protection.

Is the BF.7 sub-variant more lethal?

The BF.7 variant is a variant of omicron, which has greater neutralization resistance than omicron, meaning that vaccines or even bivalent booster doses may not be able to prevent infection or reinfection. The incubation period of the new variant is short, suggesting that RT-PCR tests will not be effective in detecting the infection.

With a higher transmission rate, it will replace the existing XBB strain, which is the predominant strain found in new patients in India. If steps are not taken to stop its spread, it can spread.

serious guess

According to an estimate, a person infected with the BF.7 variant can infect 10-18.6 people around him. Although the fatality rate of the Omicron sub-variant is not high, various scientific models suggest that 60 per cent of China’s population will be infected within three months and thousands are expected to die.

The main reason for this is that the vaccine given to Chinese citizens was developed from a dead virus containing an early variant of Kovid-19, while mRNA vaccines are known to be more effective against mutations.

The virus has since undergone various mutations and available vaccines are not effective at preventing infection, although they can reduce mortality.

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