Ebola Patients May Show No Symptoms At All: Study
Muhammad Rameez Published November 16, 2016 | 08:50 AM
MIAMI, , (APP - UrduPoint / Pakistan Point News - 16th Nov, 2016 ) - More than a dozen people in Sierra Leone were infected with Ebola but showed no symptoms, suggesting that the massive and deadly West Africa epidemic was larger than previously thought, researchers said Tuesday.
The findings by a team of scientists at Stanford University offer new evidence to support previous theories that the hemorrhagic fever, Ebola, may not always cause severe illness including bleeding, vomiting, diarrhea and fever.
Some 28,000 people were infected with Ebola in the outbreak which began in late 2013 and continued through last year, killing more than 11,000 people mainly in Guinea, Sierra Leone and Liberia.
Ebola, like most other viruses, can infect people but show few symptoms, said Stanford researcher Gene Richardson, whose specialties include infectious disease and anthropology. "It provides important evidence on that front.
It also means a significant portion of transmission events may have gone undetected during the outbreak," he said. "This shows there was a lot more human-to-human transmission than we thought.
" Ebola is spread through close contact with the bodily fluids of an infected person, including blood, vomit and diarrhea.
Since many patients become violently ill, family members and medical professionals who care for them face a high risk of infection. Researchers recruited 187 men, women and children from Sukudu, a rural village of about 900 people in Sierra Leone for the study.
Participants had likely been exposed to Ebola through a family member or by using a public toilet shared by a person who had the disease. "Of these, 14 were found to be carrying antibodies to Ebola, suggesting they had been infected at some point, though they had not been included in the original count," said the study in PLOS Neglected Tropical Diseases.
Twelve said they had no symptoms, while two recalled having had a fever at the time of the outbreak. The village was one of three major hot spots in eastern Sierra Leone during the Ebola crisis in 2014 and 2015. Thirty four people in the village were infected with Ebola and 28 died.
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