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Covid-19 in US: Delta wave may peak soon

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Covid-19 in US: Delta wave may peak soon

The US is struggling hard to battle the latest wave of Coronavirus driven the the Delta Variant. But as per the experts, the virus will be part of everyday life for years to come.

According to data compiled by the Covid Act Now tracker, the 7-day-average of daily cases as of Monday was 172,000, its highest level of this surge even as the growth rate is slowing and cases are headed down in most states.

Bhakti Hansoti, an associate professor in emergency medicine at John Hopkins University and expert in Covid critical care, told AFP she saw the US following a similar trajectory to India.

But while Hansoti breathed a sigh of relief when the spring wave ended, “I’m a little hesitant this time around,” she admitted.

The possible emergence of newer variants of concern and the advent of colder weather leading to more socialization indoors could lead to a rebound, “unless we learn from the lessons of the fourth wave.”

Angela Rasmussen, a virologist at University of Saskatchewan in Canada, added she was not certain the fourth wave was over.

“If you look at the fall-winter wave, there were periods in which there was a steep exponential increase, and then it looked like it was falling — and then there would be another increase.”

 

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Airborne transmission of Covid-19 random, social distancing alone not enough to control spread: Study

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A new study new study has shown that the airborne transmission of Covid-19 is highly random and suggests that social distancing alone is not effective in controlling its spread, reiterating the importance of vaccination and face masks.

“One part of the way that this disease spreads is virology: how much virus you have in your body, how many viral particles you expel when you speak or cough,” said Dr Shrey Trivedi, the Indian-origin first author of the study published in the journal ‘Physics of Fluids’ this week.

“But another part of it is fluid mechanics: what happens to the droplets once they’re expelled, which is where we come in. As fluid mechanics specialists, we like the bridge from virology of the emitter to the virology of the receiver and we can help with risk assessment,” explained Trivedi from the Department of Engineering at the University of Cambridge.

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France likely to announce Covid-19 booster shots for all adults: Report

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As per reports, France is expected to announce that Covid-19 booster shots will be made available to all adults, as well as stricter rules on wearing face masks and more stringent health pass checks to curb a new wave of infections.

President Emmanuel Macron’s government on Wednesday said it would focus on tougher social distancing rules and a faster booster shot programme and that it wanted to avoid the lockdowns being imposed once more by some other European countries.

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Air pollution linked to increased risk of getting sick from Covid-19: Study

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According to a study conducted in Spain, long-term exposure to air pollution is associated with an increased risk of developing Covid-19 among people who get infected with the SARS-CoV-2 virus.

The research, published in the journal Environment Health Perspectives on Wednesday, provides further evidence on the health benefits of reducing air pollution, and highlights the influence of environmental factors on infectious diseases.

“The problem is that previous studies were based on reported cases, which had been diagnosed, but missed all the asymptomatic or undiagnosed cases,” said study first-author Manolis Kogevinas from Barcelona Institute of Global Health (ISGlobal) in Spain.

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