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Covid symptoms: Seven reasons people could have avoided infection - doctor explains

Covid lottery". "There is a population who say they've never had Covid and then there are those poor souls who've had it several times," she said. "It is a very complex area which is now attracting a lot of research.

"Here are seven reasons why someone might have never 'officially' caught Covid. They've had Covid but didn't realise itDr Hurst said many people who claim to have never had coronavirus probably have had it. "There's a high chance they had it but didn't have any symptoms," she said.

"I'd say that between 45 to 90 percent of people who think they've never had it actually have, but were asymptomatic. "She explained that one study found that 45 percent of people who tested positive actually had no symptoms. And once you've been vaccinated, there is no way of knowing if you have ever had Covid.

READ MORE: Dementia: The type of fish linked to the brain condition - 'Avoid overconsumption'You thought you just had a coldThen there's another group of people who did have Covid but just dismissed it as a cold because as the pandemic continued, the list of symptoms changed. Dr Hurst commented: "Not everyone had a cough or lost their sense of smell and taste. As the different variants arrived, so did the different symptoms and many sufferers would have just shrugged off their Covid, saying, 'It's just a cold.

'"Not everyone gets testedTesting was vital in recording the official rates in the population. However, some people were testing regularly for work, while others have never taken a test or only taken laterals - which aren't as reliable as PCR tests. They're genetically differentDr Hurst said there's also a very special - but small - group of people who have never had Covid and haven't been vaccinated.

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NASA wants its moon dust, cockroaches from Apollo 11 mission pulled from auction - fox29.com - city Boston
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NASA wants its moon dust, cockroaches from Apollo 11 mission pulled from auction
(RR Auction)BOSTON - NASA wants its moon dust and cockroaches back.The space agency has asked Boston-based RR Auction to halt the sale of moon dust collected during the 1969 Apollo 11 mission that had subsequently been fed to cockroaches during an experiment to determine if the lunar rock contained any sort of pathogen that posed a threat to terrestrial life.The material, a NASA lawyer said in a letter to the auctioneer, still belongs to the federal government.The material from the experiment, including a vial with about 40 milligrams of moon dust and three cockroach carcasses, was expected to sell for at least $400,000, but has been pulled from the auction block, RR said Thursday."All Apollo samples, as stipulated in this collection of items, belong to NASA and no person, university, or other entity has ever been given permission to keep them after analysis, destruction, or other use for any purpose, especially for sale or individual display," said NASA's letter dated June 15.It went on: "We are requesting that you no longer facilitate the sale of any and all items containing the Apollo 11 Lunar Soil Experiment (the cockroaches, slides, and post-destructive testing specimen) by immediately stopping the bidding process," NASA wrote.In another letter dated June 22, NASA's lawyer asked RR Auction to work with the current owner of the material to return it to the federal government.The Apollo 11 mission brought more than 47 pounds (21.3 kilograms) of lunar rock back to Earth. Some was fed to insects, fish and other small creatures to see if it would kill them.
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