Countries should consider recommending passengers wear masks on long haul flights to counter the latest Omicron subvariant of COVID-19 give...

Regionally, XBB.1.5 now accounts for the majority of COVID-19 cases in the northeast, identified as causing 75 percent of cases in New Engl...

It is capable of bypassing protection offered by vaccines and previous infections. The sub-variant possesses a higher capacity to cause rei...

The lethal Delta variant, which began the terrible second wave in India in 2021, is not as transmissible as the BF.7 sub-variant.

After a year of relief from Covid, Omicron seems to be knocking on the doors again. Its subvariants have similar symptoms like congestion, ...

Meanwhile, the Maharashtra government warned of a COVID-19 spike citing evasive XBB, winter, and festive season. The state reported 17.7 pe...

BA.4.6 is a descendant of the BA.4 variant, which was first detected in January 2022 . It's possible it could be a recombinant variant.

The new wave of COVID-19 cases has been triggered by new emerging Omicron sub-variants, with nine such sub-variants all classified as forms...

"We have been conducting genome sequencing on positive samples in West Bengal. A few subvariants of Omicron, mostly the BA.4 and BA.5 was f...

Since the initial highly infectious SARS-CoV-2 Omicron variant known as BA.1 of COVID-19 emerged last year, its new subvariants continue to...

The presence of Omicron's BA-5 sub-variant may be the reason for the sudden spike in cases in Tamil Nadu, the state Public Health and Preve...

BA.4 and BA.5 are sub-variants of the highly transmissible Omicron strain of the coronavirus which had triggered the third wave of the pand...

In its latest weekly assessment of the pandemic, the U.N. health agency said there were more than 3.7 million new infections and 9,000 deat...

The man, who lives in South Africa, had on May 1 tested positive for the coronavirus after he arrived here to meet his parents. He had left...

The United States has recorded an increase in the Covid-19 cases caused due to the Omicron subvariant BA.2. Interestingly, the increase is ...

COVID-19 infections in the United States have receded sharply since hitting record levels in January, although a coronavirus resurgence in ...

The omicron subvariant, BA.2, appeared to be “steadily increasing” in prevalence and that BA.2 had now become dominant in several Asian cou...