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XBB.1.5 Vs BF.7 Omicron Variant: Which One Is Most Dangerous? Check Out The Symptoms

The two most transmissible Omicron variants are here -- XBB.1.5 and BF.7. Among these two, which one is more transmissible? Read on to know.

Written by Satata Karmakar | Updated : January 30, 2023 12:30 PM IST


COVID-19 Since 2019

SARS-CoV-2 causing COVID-19 infection was first detected in China's Wuhan city in 2019. The World Health Organisation (WHO) designated the virus outbreak a pandemic after the global healthcare system was shaken badly by the massive transmission, leaving billions infected. The most dangerous aspect of the outbreak was the ability that the virus has in order to mutate and form new, and advanced strains, also known as variants. In the last three years, the COVID-19 virus has mutated several times, and each time it has given rise to a new variant, the world faced real-time challenges in managing the rate of the infection. Currently, there are two variants of the highly mutated Omicron strain of COVID-19, that are driving a new wave in China and the United States. Scroll down to know more about these two variants.


XBB.1.5 Vs BF.7: What We Know

XBB.1.5 and BF.7 are the two highly transmissible COVID variants that are wreaking havoc in different parts of the globe including India. Both are a product of the mutation that took place in the spike protein of the Omicron variant. While protection is the key to staying safe from getting infected by any of these two variants of Omicron, understanding them closely is important. Scroll down to know which one of these two is more contagious, and more dangerous. Also Read - Signs of 5th Wave of COVID-19 In India? Country Logs Over 1,800 New Infections, Active Cases Cross 10,000 Mark


What Is XBB.1.5 Omicron Variant?

The XBB.1.5 variant of Omicron is a highly mutated version of its previous sub-variant called XBB. The XBB.1.5 is a recombinant strain that was made from a combination of BA.2.75 and BA.2.10.1. This variant is capable of invading vaccine-induced immunity, which clearly means that even fully vaccinated individuals are at risk of getting infected by this variant. The experts have named the XBB.1.5 variant as the 'Kraken' variant.


What Is BF.7 Omicron Variant?

On the other hand, the BF.7 Omicron variant, is also known as BA. is one of the latest sub-variants of Omicron’s BA.5 variant. The BA.5 sub-variant was first identified in Northwest China's Inner Mongolia Autonomous Region. The BF.7 variant is also known as 'Omicron spawn'. According to the reports, the BF.7 Omicron variant is currently the dominant strain in China, driving billions of cases. Also Read - Do You Have Emotionally Intimacy with Them? See Signs


XBB.1.5 Vs BF.7: Which Is More Dangerous?

As per the studies, XBB is better at evading vaccine or past infection-induced immunity. Which is why the new XBB.1.5 appears to be more transmissible compared to the other strains present in the environment at the moment. According to the Centers for Disease Control and Prevention (CDC), the XBB.1.5 variant accounts for 40.5% of new sequenced COVID-19 cases in the U.S.


Symptoms To Watch Out For

XBB.1.5 and BF.7 Omicron variant comes with a set of different symptoms that what was noticed earlier with the previous strains. According to the experts, these variants are mostly making people experience cold-like symptoms, such as fever, cough, sore throat, runny nose, fatigue, nausea, and diarrhoea.  Also Read - Heartbreak: Can It Cause Serious Sickness?