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The Truth About Immunity ‘Boosting’ Vitamin C Supplements

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The coronavirus COVID-19 has spiked the sales of vitamin C products.If you look at the advertising behind some of these pills and potions, you’ll see language that reads kind of like this: Vitamin C is a super-nutrient, one that boosts your immunity. People have been taking C to stop colds and flus for years, so it’s proven. So why not take a supplement to protect against diseases—especially during the fall and winter months?Some supplements, unfortunately, even go as so far to hint that they may stave off COVID-19.While it’s true that vitamin C does have some powerful health benefits— it’s just that preventing colds and the flu (let alone COVID) isn’t one of them.

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Men’s Health

Vitamin C helps your body make collagen (good for skin and bones), absorb iron (good for muscle growth), and create carnitine (good for turning dietary fat into energy). Vitamin C is also an antioxidant, so it helps combat free radicals caused by chronic stress and protect your immune cells as they fight off an infection.What about all these claims that vitamin C …

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Combining Amla With This Superfood Could Help Boost Immunity This Season

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HighlightsAmla is also called Indian gooseberryAmla is replete with vitamin CHoney is a natural cough suppressantSomething changed this year and it changed for good. 2020 is being touted as the worst year possible. The pandemic has caused enough distress to our economy, social life and mental health being. The stress levels are hitting the roof, and we are not even sure when will we get to see the light at the end of this tunnel. But think about it, have we ever taken our health and immunity as seriously as we are now? Immunity is your body’s natural defense mechanism against disease causing micro-organisms. According to experts, a good diet and lifestyle may help strengthen immunity. You would be surprised to know that there are so many local, seasonal fruits and vegetables that are a treasure of nutrients. There are many herbs, spices and other healings foods too that are renowned for their immunity-boosting properties.Amla and honey are two such foods that have been a common part of our households. We use them to make a gamut of things, right from chutney, achaar, murabba to salads, smoothies and what not. Never for an instant do we forget about each of …

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Monash researchers reveal COVID immunity lasts up to eight months, giving hope for long-term protection by vaccines

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Monash researchers have revealed – for the first time – that people who have been infected with the COVID-19 virus have sustained protection against…

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Australia’s good news on long-term COVID immunity

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“This has been a black cloud hanging over the potential protection that could be provided by any COVID-19 vaccine and gives real hope that, once a vaccine or vaccines are developed, they will provide long-term protection.”Numerous previous studies have shown the first wave of antibodies produced in response to a COVID infection waned after the first few months, raising concerns people may lose immunity quickly.Cell memory is the bedrock of immunity and is exactly what vaccines aim to create.The new research shows this is just a natural contraction of the immune system because when a COVID infection passes, the antibodies to it are not needed and naturally decline.But it also showed cell memory of the virus’ spike and the protein that encapsulates its genetic material, remained strong and stable.Cell memory is the bedrock of immunity and is exactly what vaccines aim to create.This is how it works. A virus trying to re-enter the body after an infection or vaccination, has to get through some barriers.First, the skin and mucous membranes try to keep it out. If it gets in, innate immune cells and tissues work against it.AdvertisementIf they fail, the adaptive immune …

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Explained: What serosurvey results tell us about neutralising antibodies and ‘herd immunity’

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Written by Anuradha Mascarenhas
, Edited by Explained Desk | Pune |

Updated: November 23, 2020 9:31:17 am

A health worker collects a sample during a serological survey of Covid-19 at the Darya Ganj Ramjas School in New Delhi on August 20, 2020. (Express Photo: Amit Mehra)A new study in Pune has revealed that nearly 85% of the people who had been found infected with novel in a serosurvey, conducted earlier, had developed neutralising antibodies. In other words, these people had developed immunity against the disease.
It is sometimes thought that everyone who is infected with a disease-causing virus, and recovers, becomes immune to the disease, because they build antibodies against it. But that is not the case. While the creation of antibodies is necessary for the recovery process, it does not guarantee immunity against a future attack from the same virus. Immunity comes from what are known as “neutralising” or “protective” antibodies.
So, what are these?
Neutralising antibodies, like other antibodies that are created to fight the disease, are nothing but proteins. These are a small subset of the disease-specific antibodies that are generated once an infection has occurred. The neutralising antibodies become special because they have the ability to thwart the entry of the same virus …

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Report: Fauci says Santa Claus has immunity to COVID-19, will still bring holiday cheer this year

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NORTH BETHESDA, Maryland – Dr. Anthony Fauci is telling families across the nation not to worry about Santa Claus this year, saying he is immune to the coronavirus and will be a-okay on Christmas Day.Fauci, the director of the National Institute of Allergy and Infectious Diseases, spoke recently in an interview with USA Today and said Santa Clause and his reindeer will be fine on Christmas night, regardless of if they are in or out of a COVID-19 hotspot.During the pandemic, residents are still encouraged to wear masks and adhere to social distancing guidelines, which is a sort of dilemma for Santa who delivers presents in homes across the world on Christmas night.Additionally, Santa, if he were not superhuman, would fall into several COVID risk categories being older, slightly overweight and around so many people in one day.However, Fauci cleared it all up and said overall, children should not worry, as Santa has a plan to keep true to his word and still deliver presents this year. “Santa is exempt from this because Santa, of all the good qualities, has a lot of good innate immunity,” Fauci said in the interview.He said to make sure to …

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New study suggests coronavirus immunity could last more than 6 months

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Stories of some unlucky patients contracting COVID-19 twice sent the world into a tailspin over fears that immunity to the virus might not last. Yet a new research report has encouraging news.
A preprint study published Monday on the online server bioRxiv argues that people who develop immunity from SARS-CoV-2, the virus that caused the disease COVID-19, may be able to remain immune for six months or longer. While previous studies have focused on aspects of how the human immune system responds to the virus — such as by analyzing protein components of the immune system or studying how antibodies respond to the virus — this new study researched a number of components of immune memory including B cells, T cells and antibodies.Advertisement:
The authors explain that “while immune memory is the source of long-term protective immunity, direct conclusions about protective immunity cannot be made on the basis of quantifying” the areas of the immune system components they had studied because scientists know very little about the “mechanisms of protective immunity against SARS-CoV-2 or COVID-19” in human beings.
With this caveat, the authors argued that because roughly 90% of the test subjects developed immune memory “consisting of at least three immunological compartments”  …

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Operation Warp Speed projects 70% herd immunity, potential return to normalcy May 2021

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America might reach herd immunity from the coronavirus sometime around May, according to a timeline laid out by Operation Warp Speed’s top science adviser.Dr. Moncef Slaoui spoke with Jake Tapper during Sunday’s “State of the Union,” addressing the timeline for delivering vaccines developed by Moderna and Pfizer – each of which is pending approval. An advisory panel is meeting Dec. 10 to determine whether or not to approve the vaccines. Should the panel grant approval, Slaoui said that the government will move fast to deliver the vaccines across the country.
Dr. Moncef Slaoui, chief adviser to Operation Warp Speed, speaks in the Rose Garden of the White House, Friday, Nov. 13, 2020, in Washington. (AP Photo/Evan Vucci)
“Our plan is to be able to ship vaccines to the immunization sites within 24 hours from the approval, so I would expect maybe on day two after approval, on the 11th or 12th of December,” Slaoui said. When asked how long it may take to reach herd immunity, which would potentially allow for a return to normalcy, Slaoui confirmed that Operation Warp Speed determined it could distribute up to 20 million immunizations a month starting in December.“Normally, with the level of efficacy we have – 95% …

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Fauci says herd immunity possible “reasonably quickly” if enough Americans take vaccine

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Dr. Anthony Fauci, the nation’s top infectious diseases expert, said Sunday the U.S. could reach herd immunity against the coronavirus “reasonably quickly” next year if enough Americans get vaccinated.Appearing on “Face the Nation,” Fauci said “help is on the way” in the form of the vaccine, but Americans need to exercise caution as the holidays approach and take steps to mitigate the spread of the virus through the winter, saying the country is in a “very, very difficult situation” as cases continue to rise. Vaccines will be available “relatively soon” if Americans can “hang in there,” Fauci said. Vaccines produced by Pfizer and Moderna have been shown to be highly effective, but Fauci said herd immunity — the threshold at which enough people have been vaccinated or infected by the virus to curtail its spread — can’t be achieved if only 40% or 50% of the population receives the vaccine, Fauci said. Polling has shown Americans are still skeptical of a vaccine, and many say they will either delay vaccination or won’t get it at all. “What we do need is we need to get as many people as possible vaccinated, and that’s why we want to be very transparent for people …

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