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Credit: Professor Calum Semple A high proportion of survivors of Ebola experienced a resurgence in antibody levels nearly a year after recovery, a new University of Liverpool study has found. Published today in Nature, the finding hints that hidden reservoirs of virus could exist long after symptoms ease and has implications for monitoring programmes and vaccine strategies. When a person is infected with Ebola virus, their body produces antibodies to fight the disease. Antibody concentrations peak and then decline slowly over time, providing the body with some degree of immune protection ov...

ABOVE: An Ebola survivor donates plasma at the blood bank at Connaught Hospital in Freetown, Sierra Leone. JANET SCOTT Asubstantial proportion of people who survive Ebola may produce a spike in antibody levels more than six months after they’ve recovered from the disease, according to a study published today (January 27) in .  Analyzing multiple plasma samples from 51 survivors of the West African outbreak of 2013–2016, researchers found that the levels of virus-neutralizing antibodies declined, as expected, in the days and weeks following recovery. But these levels shot up again in som...