Coronavirus: low antibody levels raise questions about reinfection risk

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.

(CLICK HERE - READ COMPLETE ARTICLE)