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(SARS-CoV-2 (COVID-19)) - '..emerging evidence delta and at least one other variant may be adept at evading vaccine-induced antibodies..'

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' “Last year, we thought we had learned about our new enemy, but it changed,” Ghafur said. “This virus has become so, so unpredictable.”

Stomach pain, nausea, vomiting, loss of appetite, hearing loss and joint pain are among the ailments Covid patients are experiencing, according to six doctors treating patients across India. The beta and gamma variants -- first detected in South Africa and Brazil respectively -- have shown little or no evidence of triggering unusual clinical signs, according to a study by researchers from the University of New South Wales last month.'


'The coronavirus variant driving India’s devastating Covid-19 second wave is the most infectious to emerge so far. Doctors now want to know if it’s also more severe.

Hearing impairment, severe gastric upsets and blood clots leading to gangrene, symptoms not typically seen in Covid patients, have been linked by doctors in India to the so-called delta variant. In England and Scotland, early evidence suggests the strain -- which is also now dominant there -- carries a higher risk of hospitalization.

Delta, also known as B.1.617.2, has spread to more than 60 countries over the past six months and triggered travel curbs from Australia to the U.S. A spike in infections, fueled by the delta variant, has forced U.K. to reconsider its plans for reopening later this month, with a local report saying it may be pushed back by two weeks. Higher rates of transmission and a reduction in the effectiveness of vaccines have made understanding the strain’s effects especially critical.

“We need more scientific research to analyze if these newer clinical presentations are linked to B.1.617 or not,” said Abdul Ghafur, an infectious disease physician at the Apollo Hospital in Chennai, southern India’s largest city. Ghafur said he is seeing more Covid patients with diarrhea now than in the initial wave of the pandemic.

‘New Enemy’

“Last year, we thought we had learned about our new enemy, but it changed,” Ghafur said. “This virus has become so, so unpredictable.”

Stomach pain, nausea, vomiting, loss of appetite, hearing loss and joint pain are among the ailments Covid patients are experiencing, according to six doctors treating patients across India. The beta and gamma variants -- first detected in South Africa and Brazil respectively -- have shown little or no evidence of triggering unusual clinical signs, according to a study by researchers from the University of New South Wales last month.

..

The unusual presentations for delta and a closely related variant known as kappa, whose spread led to a fourth lockdown in the Australian city of Melbourne, are still being confirmed, said Raina MacIntyre, a professor of global biosecurity at the University of New South Wales in Sydney. “In the meanwhile, it is important to take note of this and be aware of possible atypical presentations,” she said.

The most alarming aspect of the current outbreak in India is the rapidity with which the virus is spreading, including to children, said Chetan Mundada, a pediatrician with the Yashoda group of hospitals in Hyderabad.

..

But with emerging evidence delta and at least one other variant may be adept at evading vaccine-induced antibodies, pharmaceutical companies are under pressure to tweak existing shots or develop new ones.

“New vaccines have to prepared with new variants in mind,” said Ghafur. “We can’t get ahead of the virus, but at least we can least keep up with it.” '

- Gangrene, Hearing Loss Show Delta Variant May Be More Severe, June 7, 021



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(Post acute Covid syndrome) - 'About 10 to 30% of all Covid patients will suffer from long haul symptoms, according to the latest research from Mt. Sinai's Center for Post-Covid Care.'