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first_img Topics : Belgian virologist Marc Van Ranst said the Belgian case was a woman who had contracted COVID-19 for the first time in March and then again with a different coronavirus strain in June. Further cases of re-infection were likely to surface, he said.Van Ranst told Reuters TV the woman, in her 50s, had very few antibodies after the first infection, although they might have limited the sickness. Re-infection cases were probably limited exceptions, he said, although it was too soon to tell and many were likely to surface in coming weeks.He added that the new coronavirus appeared more stable than the influenza virus, but it was changing.”Viruses mutate and that means that a potential vaccine is not going to be a vaccine that will last forever, for 10 years, probably not even five years. Just as for flu, this will have to be redesigned quite regularly,” he said. Two European patients are confirmed to have been re-infected with COVID-19, raising concerns about people’s immunity to the coronavirus as the world struggles to tame the pandemic.The cases, in Belgium and the Netherlands, follow a report this week by researchers in Hong Kong about a man there who had contracted a different strain of the virus four and a half months after being declared recovered – the first such second infection to be documented.That has raised fears about the efficacy of potential vaccines against the virus, which has killed hundreds of thousands of people, though experts say there would need to be many more cases of re-infection for these to be justified.center_img Van Ranst, who sits on some Belgian COVID-19 committees, said vaccine designers would not be surprised.”We would have loved the virus to be more stable than it is, but you can’t force nature.”Genetic testingThe National Institute for Public Health in the Netherlands said it had also observed a Dutch case of re-infection with a different strain of the virus.”It is clear there has been a first and a second infection with a substantial quantity of virus. Enough to be able to determine the genetic code of the virus, that is what showed they were indeed different,” said Marion Koopmans, a leading virologist in the Netherlands and a member of the World Health Organization’s scientific advisory group.She added the elderly Dutch patient had a weakened immune system, which explained the patient’s situation. “People are worried and ask if re-infection is ‘standard’. I don’t think it is,” she added.WHO spokeswoman Margaret Harris told a UN briefing in Geneva regarding the Hong Kong case that, while there were anecdotal reports of re-infections, it was important to have clear documentation.Some experts say it is likely that such cases are starting to emerge because of greater testing worldwide, rather than because the virus may be spreading differently.Still, Dr David Strain, a clinical senior lecturer at the University of Exeter and chair of the British Medical Association’s medical academic staff committee, said the cases were worrying for at least two reasons.”The first is that it suggests that previous infection is not protective. The second is that it raises the possibility that vaccinations may not provide the hope that we have been waiting for.”last_img read more

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first_imgThe company hopes to launch the first-ever 3D printed rocket as early as next year.The company’s CEO says with 3D printing, they can build a rocket in about two months. California company Relativity Space now has the money to print a 3D rocket and make history at Cape Canaveral.Thanks to investments from Jared Leto and Mark Cuban, Relativity Space announced this week it has secured the funding needed to develop a rocket made almost entirely of 3D printed parts.  The company has raised $185 million in total.Relativity, a new star in the space race, raises $160 million for its 3-D printed rockets https://t.co/xfCGAGWTbH pic.twitter.com/PkKiySkQv5— CyberBlog (@CyberBlog1) October 1, 2019last_img

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first_img Women’s World Cup 2019: 3 takeaways from USWNT’s thrilling win over France Jill Ellis’ side, who saw out a nervous end to the game after Wendie Renard’s 81st-minute consolation for France, ran out 2-1 winners and will face England in Lyon on Tuesday.Rapinoe admitted Renard’s headed goal caused frustrationg among her teammates, but praised a stingy defense that held firm as the hosts looked for a tie in the last 10 minutes. Related News The U.S. women’s national team is not thinking about reaching a third consecutive Women’s World Cup final according to quarterfinal goalscorer Megan Rapinoe, who insisted the competition holders are fully focused on a semifinal against England after overcoming tournament hosts France.Rapinoe scored a brace for the second game running, netting in either half of a game USA dominated at Parc des Princes to go joint fourth in the USA all-time Women’s World Cup goalscoring list with Alex Morgan, Kristine Lilly and Mia Hamm. “I’m so proud of our performance,” Rapinoe told BBC Sport. “It was a huge defensive performance and we tried to take the couple of chances we got.”2-1 is one of (the) worst positions to be in, especially with the crowd against us. Our fans didn’t outnumber the French fans and we were stressed, but we were in it together.”We’re thinking about the semifinal against a very good England side who have probably got a bit of rest in their legs with an extra rest day. There is a huge task ahead of us, and we’re ready.”We’ll enjoy this tonight with friends and family but it’s all eyes on England.”Classic Rapinoe. #FRAUSA pic.twitter.com/wPMXq36DiM— Team USA (@TeamUSA) June 28, 2019Rapinoe, who converted two penalties in a 2-1 victory over Spain in the USWNT’s previous game, has scored all four of her country’s goals in the knockout stage but she said France provided her teammates with their toughest test yet.Going into the semifinals with a record of five wins from five, 22 goals scored and two goals conceded makes USA likely favorites to beat England, but Rapinoe admitted they could have played more attractive football against France.”That was quadruple-y the amount of grit (from the Spain game),” Rapinoe later told Fox Sports.center_img Women’s World Cup 2019: Alex Morgan reacts to USWNT’s dominant win over France “You have to give it up to France. They outplayed us in terms of having the ball. We were so good defensively.”This is what it’s all about. We’d have loved to play nicer, but we now have England and we move on.”This is so special to beat the host nation in the Parc des Princes; you can’t ask for any more than this.”last_img read more

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