Sunday April 5, 2020

Healthy Immune System can Fight COVID-19: Study

COVID-19: Immune system can fight back, says study

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Researchers have found that a healthy immune system can help prevent COVID-19. Pixabay

Amid the soaring number of coronavirus cases around the globe, researchers have mapped immune responses from one of Australia’s first COVID-19 patients, showing the body’s ability to fight the virus and recover from the infection.

According to the study, published in the journal Nature Medicine, researchers were able to test blood samples at four different time points in an otherwise healthy woman in her 40s, who presented with COVID-19 and had mild-to-moderate symptoms requiring hospital admission.

“We looked at the whole breadth of the immune response in this patient using the knowledge we have built over many years of looking at immune responses in patients hospitalised with influenza,” said study researcher Oanh Nguyen from University of Melbourne in Australia.

“Three days after the patient was admitted, we saw large populations of several immune cells, which are often a tell-tale sign of recovery during seasonal influenza infection, so we predicted that the patient would recover in three days, which is what happened,” Nguyen added.

The research team was able to do this research so rapidly thanks to SETREP-ID (Sentinel Travellers and Research Preparedness for Emerging Infectious Disease), led by Royal Melbourne Hospital Infectious Diseases Physician Dr Irani Thevarajan at the Doherty Institute. SETREP-ID is a platform that enables a broad range of biological sampling to take place in returned travellers in the event of a new and unexpected infectious disease outbreak, which is exactly how COVID-19 started in Australia.

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According to the researchers, current estimates show more than 80 per cent of COVID-19 cases are mild-to-moderate, and understanding the immune response in these mild cases is very important research. Pixabay

“When COVID-19 emerged, we already had ethics and protocols in place so we could rapidly start looking at the virus and immune system in great detail,” Thevarajan said. “Already established at a number of Melbourne hospitals, we now plan to roll out SETREP-ID as a national study.”

Working together with University of Melbourne Professor Katherine Kedzierska, a laboratory head at the Doherty Institute and a world-leading influenza immunology researcher, the team were able to dissect the immune response leading to successful recovery from COVID-19, which might be the secret to finding an effective vaccine. “We showed that even though COVID-19 is caused by a new virus, in an otherwise healthy person, a robust immune response across different cell types was associated with clinical recovery, similar to what we see in influenza,” Kedzierska said.

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“This is an incredible step forward in understanding what drives recovery of COVID-19. People can use our methods to understand the immune responses in larger coronavirus cohorts, and also understand what’s lacking in those who have fatal outcomes,” Kedzierska added. According to the researchers, current estimates show more than 80 per cent of COVID-19 cases are mild-to-moderate, and understanding the immune response in these mild cases is very important research. (IANS)

Next Story

Amazon Plans To Unveil Full-Fledged Cloud Gaming Platform

Amazon may launch an early version of its cloud gaming platform sometime this year if things are in order in the wake of the COVID-19 pandemic

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Amazon may launch an early version of its cloud gaming platform sometime this year if things are in order in the wake of the COVID-19 pandemic. VOA

Amazon is reportedly working on a full-fledged cloud gaming platform under the code name Project Tempo, similar to Google’s Stadia and Nvidia’s GeForce Now.

The retail giant has been working on a game called Crucible ever since 2014 and along with that game, the company is going to bring another game called New World, which will be a multiplayer online game and will fit perfectly in the multiplayer game genre, reports The New York Times.

“The big picture is about trying to take the best of Amazon and bringing it to games,” the report quoted Mike Frazzini, Amazon’s vice president for game services and studios as saying.

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Amazon is reportedly working on a full-fledged cloud gaming platform under the code name Project Tempo, similar to Google’s Stadia and Nvidia’s GeForce Now. Wikimedia Commons

“We have been working for a while, but it takes a long time to make games, and we’re bringing a lot of Amazon practices to making games,” Frazzini added.

When it comes to cloud-based gaming, Amazon will have to compete with Microsoft and Google. Both of them already have their feet firmly planted in the space, Microsoft with Project xCloud and Google with Stadia.

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Amazon may launch an early version of its cloud gaming platform sometime this year if things are in order in the wake of the COVID-19 pandemic. (IANS)