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The Ebola virus can become latent in a patient who was thought to be cured and resurface to infect others, researchers said in a study published on Tuesday calling for "close surveillance" of new cases. [19659002]
The virus " may have re-emerged in a woman one year after she survived an acute Ebola infection, potentially causing infection with her husband and two sons ", in a statement The Lancet Infectious Diseases
This Liberian, who survived the disease in 2014, "had viral persistence or recurrence of the disease, and transmitted the virus to other members of her family. a year later, "the researchers write.
The riddle was the origin of the contamination of a 15-year-old who had visited the hospital in Monrovia in November 2015, while appeared to be no longer in the Liberian capital. He died of haemorrhagic fever four days later
The infectious investigation showed that his 33-year-old mother had most likely had the disease in July 2014. She apparently had it cured without treatment or consultation, with the only consequence being a false
The transmission seems to have pbaded through the husband who presented himself at the hospital on the same day as two of his children in 2015. He survived, from same as his youngest son, aged 8.
Scientists already knew the transmission of the virus by sperm by seemingly cured men. The question remains of other bodily fluids that could transmit the virus.
"We have no clear indication of the mode of transmission of the mother to her husband. (…) Very probably, the transmission between family members took place during a close physical interaction, "the researchers said.
This case shows that foci of infection may recur.
" Despite the current lack of active transmission chains of Ebola virus in West Africa, its persistence could cause continued risk of resurgence of cases and have the potential of an epidemic on a large scale, failing to be detected quickly and controlled ", affirmed a signatory of the study, Emily Kainne Dokubo, Center for Disease Control and Prevention (CDC)
Liberia was the country most affected by the deadliest Ebola epidemic, between 2013 and 2016. He had recorded 4,800 deaths, out of the 11,300 mainly concentrated in that state and two neighbors, Guinea and Sierra Leone.
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