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COVID reinfections

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25 August 2020, 11:34 AM
wtg
COVID reinfections
quote:
Two European patients are confirmed to have been re-infected with the coronavirus, raising concerns about people’s immunity to the virus 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 been re-infected with a different strain of the virus four and a half months after being declared recovered - the first such re-infection to be documented.

That has fuelled fears about the effectiveness 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.

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 in June. Further cases of re-infection were likely to surface, he said.

“We don’t know if there will be a large number. I think probably not, but we will have to see,” he told Reuters, noting that COVID-19 had only been in humans for less than a year.

“Perhaps a vaccine will need to be repeated every year, or within two or three years. It seems clear though that we won’t have something that works for, say, 10 years,” he said.

Van Ranst, who sits on some Belgian COVID-19 committees, said in cases such as the Belgian woman’s in which symptoms were relatively mild, the body may not have created enough antibodies to prevent a re-infection, although they might have helped limit the sickness.


https://www.reuters.com/articl...avirus-idUSKBN25L0LF


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We are all visitors to this time, this place. We are just passing through. Our purpose here is to observe, to learn, to grow, to love… and then we return home. - Australian Aboriginal proverb

Bazootiehead-in-training



25 August 2020, 11:38 AM
Amanda
Right. Scooped on Hong Kong pt late yesterday! Ugh.

http://well-temperedforum.grou...0004433/m/8143938497


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The most dangerous word in the language is "obvious"

25 August 2020, 07:32 PM
wtg
Thought this STAT piece was kind of an interesting overview.

https://www.statnews.com/2020/...mmunity-to-covid-19/


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We are all visitors to this time, this place. We are just passing through. Our purpose here is to observe, to learn, to grow, to love… and then we return home. - Australian Aboriginal proverb

Bazootiehead-in-training



26 August 2020, 05:55 AM
Daniel
quote:
Originally posted by wtg:
quote:
Two European patients are confirmed to have been re-infected with the coronavirus, raising concerns about people’s immunity to the virus 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 been re-infected with a different strain of the virus four and a half months after being declared recovered - the first such re-infection to be documented.

That has fuelled fears about the effectiveness 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.

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 in June. Further cases of re-infection were likely to surface, he said.

“We don’t know if there will be a large number. I think probably not, but we will have to see,” he told Reuters, noting that COVID-19 had only been in humans for less than a year.

“Perhaps a vaccine will need to be repeated every year, or within two or three years. It seems clear though that we won’t have something that works for, say, 10 years,” he said.

Van Ranst, who sits on some Belgian COVID-19 committees, said in cases such as the Belgian woman’s in which symptoms were relatively mild, the body may not have created enough antibodies to prevent a re-infection, although they might have helped limit the sickness.


https://www.reuters.com/articl...avirus-idUSKBN25L0LF


This is incorrect. The level of antibodies goes down in time, and, there's no evidence, at least none I know, suggesting that if you get sick, then you won't get sick again.