Researchers in Shanghai found low levels of coronavirus antibodies in some people who had recently recovered from Covid-19. Photo: DPA
Scientists in Shanghai say some recovered patients show no signs of the neutralising proteins
Early-stage findings could have implications for vaccine development and herd immunity, they say
scmp.com - by Stephen Chen - April 7, 2020
Researchers in Shanghai hope to determine whether some recovered coronavirus patients have a higher risk of reinfection after finding surprisingly low levels of Covid-19 antibodies in a number of people discharged from hospital.
A team from Fudan University analysed blood samples from 175 patients discharged from the Shanghai Public Health Clinical Centre and found that nearly a third had unexpectedly low levels of antibodies.
In some cases, antibodies could not be detected at all.
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Antibodies - Serology - Reinfection - Individual & Herd Immunity
An expanding list of information resources on Antibodies, Serology, Reinfection, Individual & Herd Immunity with regard to the COVID-19 / SARSCoV2 coronavirus . . .
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CLICK HERE - WHO unsure antibodies protect against COVID, little sign of herd immunity - April 17, 2020
CLICK HERE - Antibody study suggests coronavirus is far more widespread than previously thought - April 17, 2020
CLICK HERE - JAMA - The Promise and Peril of Antibody Testing for COVID-19 - April 17, 2020
CLICK HERE - Penn State Health hospitals now using plasma from recovered patients as possible treatment for COVID-19 - April 17, 2020
CLICK HERE - We've never made a successful vaccine for a coronavirus before. This is why it's so difficult - April 16, 2020
CLICK HERE - Can You Be Re-Infected After Recovering From Coronavirus? Here's What We Know About COVID-19 Immunity - April 13, 2020
CLICK HERE - NIH - Clinical Trial - SARS-COV2 Pandemic Serosurvey and Blood Sampling - April 6, 2020
CLICK HERE - bioRxiv - A human monoclonal antibody blocking SARS-CoV-2 infection - March 12, 2020
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The links to some associated research and studies are archived within the "Research" section in the link below . . .
COVID-19 Pandemic - Resources, Information, FAQs and Research
https://resiliencesystem.org/resources-2019-ncov-wuhan-coronavirus-pneumonia-outbreak