Coronavirus: low antibody levels raise questions about reinfection risk

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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

CLICK HERE - RESEARCH - medRxiv - Neutralizing antibody responses to SARS-CoV-2 in a COVID-19 recovered patient cohort and their implications - April 6, 2020

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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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 - JAMA - The Promise and Peril of Antibody Testing for COVID-19 - April 17, 2020

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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

 

 

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