Let’s take a look here EbolaIs the first highly lethal virus found in Africa in 1976.
Ebola hemorrhagic fever is a disease caused by one of five different Ebola viruses. Four of them can cause serious illness in humans and animals. The fifth Reston virus caused illness in some animals, but not in humans.
The first outbreaks to humans occurred in 1976, one in northern Zaire (now the Democratic Republic of the Congo) in Central Africa and the other in southern Sudan. (Currently South Sudan)The name of the virus is The Ebola River, where the virus was first confirmed in 1976, According to the Centers for Disease Control and Prevention (CDC).
Ebola is very infectious, but not so infectious. It is infectious because even a very small amount can cause illness. Laboratory experiments with non-human primates suggest that even a single virus may be sufficient to cause a fatal infection.
Ebola is not considered to be moderately infectious because it is not airborne.
One can infect others Contact with infected person’s body fluids or infected person’s contaminated materialFor example, by slaughtering infected animals, humans can also be exposed to the virus.
Typical symptoms of Ebola include:: Weakness, fever, pain, diarrhea, vomiting, stomach pain. Additional experiences include rash, red eyes, chest pain, sore throat, dyspnea, or dysphagia, and bleeding (including inside).
Symptoms usually appear 8 to 10 days after infection with the virus, but the incubation period can range from 2 to 21 days.
Ebola is usually not transmitted even after someone is asymptomatic and someone recovers. However, The virus was found in the semen of a man who recovered from Ebola And it can be transmitted from contact with the semen.
There are five variants of EBOV virus: Zaire EBOV virus (EBOV), Bundibugyo ebolavirus (BDBV), Sudan ebolavirus (SUDV), Taï Forest ebolavirus (TAFV), and Reston ebolavirus (RESTV).
click here See here for a list of known CDC cases and outbreaks.
2014-2016 West Africa Outbreak
(Complete historical timeline at the bottom)
March 2014 – The CDC announced the first outbreak in Guinea and Liberia And Sierra Leone.
April 16, 2014 – The New England Journal of Medicine It is estimated that the current epidemic of zero patients was 2 years old in Guinea. The child died on December 6, 2013, and the mother, sister, and grandmother died over the next month.
August 8, 2014 – World Health Organization (WHO) experts have declared the Ebola epidemic that is devastating West Africa to be an international health emergency and require a coordinated global approach to the disease. It states that it is the worst epidemic in the 40-year history of tracking.
August 19, 2014 – Liberia’s President Ellen Johnson Sirleaf issued a national stay-at-home order starting August 20, ordering the two communities to be completely isolated and banned from entering the area.
September 16, 2014 – US President Barack Obama Calls efforts to combat the Ebola epidemic, especially in West Africa, as “the greatest international response in the history of the CDC.” “In the face of this pandemic, the world wants the United States to lead the international effort to fight the virus,” Obama added at the CDC headquarters in Atlanta.
October 6, 2014 – The assistant nurse in Spain will be the first person known to have been infected with Ebola outside of Africa in the current epidemic. The woman helped treat two Spanish missionaries infected with Ebola in West Africa. One was Liberia and the other was Sierra Leone. The two died after returning to Spain. On October 19, Spain’s Special Ebola Commission stated that nursing assistant Teresa Romero Ramos was considered uninfected with the Ebola virus.
October 8, 2014 – Thomas Eric DuncanA Liberia citizen visiting the United States died of Ebola in Dallas.
October 11, 2014 – Nina Fam, A Dallas nurse who took care of Duncan, Preliminary blood test positive for Ebola. She was the first person to become infected with Ebola in the continental United States.
October 15, 2014 – Amber VinsonThe second Dallas nurse who took care of Duncan was diagnosed with Ebola. Vinson flew from Cleveland to Dallas on a commercial jet a few days before the test for Ebola was positive, officials said.
October 20, 2014 – Following an Ebola incident involving two Dallas nurses The CDC publishes updated Ebola guidelines. It emphasizes the importance of more training and supervision and recommends that workers do not expose their skin when wearing personal protective equipment (PPE).
October 23, 2014 – Craig Spencer A 33-year-old doctor who recently returned from Guinea tested positive for Ebola — The first case of a deadly virus in New York and the fourth case in the United States.
October 24, 2014 – Following the Ebola incident in New York The Governor of New York and New Jersey has announced that travelers from West Africa are stepping up airport screening beyond federal requirements.The new protocol requires quarantine for all individuals in Liberia, Sierra Leone and Guinea, including medical personnel who have direct contact with Ebola-infected individuals. This policy allows the state to decide on hospitalization or quarantine for up to 21 days for other travelers from infected countries.
January 18, 2015 – Mali declared free from Ebola If there are no new infections within 42 days.
February 22, 2015 – Liberia reopens border crossing closed during Ebola epidemicPresident Sirleaf will also lift the national stay-at-home order imposed in August to help fight the virus.
November 2015 – According to the Liberia Ministry of Health Three newly confirmed cases Ebola hemorrhagic fever occurs in Japan.
December 29, 2015 – WHO declares Guinea freed from Ebola 42 days after the last person confirmed to be infected with the virus was negative for the second time.
January 14, 2016 – “For the first time since this catastrophic outbreak began, all known transmission routes for Ebola in West Africa have ceased, and no new cases have been reported since the end of November,” the United Nations said in a statement.
March 29, 2016 – WHO Executive Director Releases Internationally Concerned Public Health Emergency is connected with 2014-2016 Ebola outbreak in West Africa.
* Contains information about Ebola and other outbreaks that killed more than 100 people, or information about special cases.
1976- Ebola was first identified in Zaire (now the Democratic Republic of the Congo). The outbreak reported infections in 318 people and killed 280. The SUDV outbreak also occurred in Sudan (now South Sudan), with 284 cases and 151 deaths.
1995- The epidemic in the Democratic Republic of the Congo (DRC) reported 315 cases and killed at least 250 people.
2000-2001 – The Uganda epidemic (SUDV) has affected 425 people and killed 224.
December 2002-April 2003- EBOV outbreaks at ROC reported 143 cases and killed 128 people.
2007- An EBOV outbreak occurred at the DRC, killing 187 of the 264 reported cases. In late 2007, an epidemic in Uganda killed 37 people and reported a total of 149 cases.
September 30, 2014 – Announced by Dr. Thomas Frieden, Director of the CDC The first case diagnosed with Ebola in the United States. The person has been admitted to the Texas Health Press Vitalian Hospital in Dallas since September 28 and has been quarantined.
July 31, 2015 – The CDC announces that: Newly developed Ebola vaccine It is “very effective” and can help prevent its spread in current and future outbreaks.
December 22, 2016 – The British medical journal The Lancet publishes an article about the new Ebola vaccine, which was confirmed to be 100% effective during the Ebola trial. The survey was conducted in Guinea with more than 11,000 people.
August 1, 2018 – The DRC’s Ministry of Health has declared an outbreak of the Ebola virus in five health areas in North Kivu and one in Ituri. July 17, 2019, WHO has announced that the outbreak is a public health emergency of international concern.June 25, 2020, DRC announces That The epidemic is officially over. Ah A total of 3,481 cases were reported, including 2,299 deaths and 1,162 survivors.
August 12, 2019 – Two new Ebola treatments have proven to be very effective and are available to all patients in the Democratic Republic of the Congo. The first results found that 499 patients who received the two effective drugs had higher survival rates. REGN-EB3 And mAb114 They were 29% and 34%, respectively. According to Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases and one of the researchers, the two drugs worked even better for patients treated early. Lead the trial.
December 19, 2019 – Announced by US Food and Drug Administration The first vaccine to prevent the Ebola virus has been approved in the United States. The vaccine, Ervebo, was developed by Merck and protects people over the age of 18 from the Ebola virus disease caused by the Ebola virus.
February 14, 2021 – Guinea declares epidemic of Ebola In one of the areas. As of May 13, 2021, 16 cases have been identified, including 5 deaths and 10 recovery.
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