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March 12, 2021 at 6:00 pm The ongoing Ebola outbreak in Guinea was most likely sparked by someone infected during the outbreak seven years ago, a new study shows. Viruses from both outbreaks are almost genetically identical, hinting that the virus did not jump from an animal to people, as scientists expected, but that it had lurked hidden in a human body for years. “With this news, I was really, really shocked,” says Angela Rasmussen, a virologist with Georgetown University in Washington, D.C. Potential cases of Ebola began emerging in the West African nation in late January, and Guinean ...

Plasma donation at the Connaught Hospital, Freetown CREDIT: Professor Calum Semple A high proportion of survivors of Ebola experienced a resurgence in antibody levels nearly a year after recovery. This is the finding of a new study published in the journal Nature.  These unexpected observations in those who survive Ebola teach us about the need to follow those who survive COVID-19 in a similar way. Professor Richard Tedder Study author The research hints that hidden reservoirs of virus, in protected "sanctuary sites", could persist long after symptoms of the acute illness ease, and has impli...

© JANET SCOTT An Ebola survivor donates plasma at the blood bank at Connaught Hospital in Freetown, Sierra Leone.A substantial 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 some survivor...

Ebola survivors experienced a resurgence in antibody levels after recovery 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 bo...

Infectious disease: Antibody highs and lows in survivors of Ebola