What is Ebola?
Ebola, also called Ebola Virus Disease (EVD), is a rare but often fatal illness caused by viruses from the Filoviridae family, specifically the genus Ebolavirus. The disease affects humans as well as other primates such as chimpanzees, gorillas, and monkeys.
The virus was first identified in 1976, near the Ebola River in the present-day Democratic Republic of the Congo. Since then, outbreaks have occurred sporadically across several African countries. While international transmission is extremely rare, the disease continues to pose a serious health threat in regions where outbreaks occur.
Global Impact
The 2014–2015 West Africa Ebola outbreak remains the largest and deadliest in history, spreading across multiple countries. In the United States, the likelihood of an outbreak is very low. According to the Centers for Disease Control and Prevention (CDC), travelers who have not had close contact with an infected person face little to no risk of contracting Ebola. Still, preventive measures remain essential to protect against potential cases.
Symptoms of Ebola
Ebola symptoms usually appear 2 to 21 days after exposure, with an average onset around 8–10 days. Early signs may resemble flu-like illnesses, making diagnosis challenging. Common symptoms include:
- Fever (above 101.5°F / 38.6°C)
- Severe headache
- Muscle and joint pain
- Fatigue and weakness
- Stomach pain
- Vomiting and diarrhea
- Unexplained bleeding or bruising
How Ebola Spreads
Ebola spreads through direct contact when the virus enters the body via broken skin or mucous membranes. This can happen through:
- Blood or body fluids of an infected person
- Contaminated objects such as needles or medical equipment
- Direct handling of the body of someone who died from Ebola
- Contact with infected animals
Healthcare workers and caregivers are at the highest risk, since they are more likely to come into contact with infected fluids.
Prevention and Vaccination
Strict infection control is critical to preventing Ebola. Protective clothing, safe burial practices, and careful handling of medical tools reduce transmission risks.
The Ebola vaccine is recommended for individuals 18 years and older who are at high risk of exposure, including:
- Healthcare workers responding to Ebola outbreaks
- Laboratory staff handling samples that may contain the virus
- Staff in designated Ebola treatment centers
Treatment Options
Currently, treatment mainly involves supportive care, such as:
- Providing fluids and electrolytes
- Managing fever, pain, and infections
- Supporting oxygen levels and blood pressure
However, there have been medical advancements. The U.S. Food and Drug Administration (FDA) has approved two monoclonal antibody therapies. These lab-made proteins attach to the virus’s surface and prevent it from entering human cells, significantly improving survival rates for patients.
Key Takeaway
Ebola is a serious infectious disease, but early detection, supportive care, vaccination, and new treatments have improved outcomes. While the risk of widespread outbreaks outside Africa is low, awareness and prevention remain the best tools to stop the virus from spreading.
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