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Posts Tagged ‘Ebola virus’

How Rapidly Ebola Virus Evolving?

Posted by feww on May 17, 2018

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  • OCT
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FIRE-EARTH VERM Report: How Rapidly Ebola Virus  Evolving?

VERM Report Ebola Virus 051702 issued by FIRE-EARTH Science and affiliated virologists.

  • VERM Report available via FIRE-EARTH PULSARS.

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Ebola Spreads to Liberia, Senegal Shuts Border

Posted by feww on March 31, 2014

VIRAL HEMORRHAGIC FEVERS
EBOLA CONFIRMED IN LIBERIA
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Ebola HF cases confirmed in Liberia

At least two cases of Ebola have been confirmed in Liberia, apparently spreading from neighboring Guinea, where the deadly virus has killed 78 people.

The two confirmed cases in Liberia are sisters, one of whom had recently returned from Guinea, said officials.

The highly contagious virus is spread via close personal contact and kills between 25% and 90% of victims.

The first known outbreak in Guinea started in the remote southeastern Forest Region but had recently spread to the capital, Conakry [Population 2.2 million.]

Senegal shuts border with Guinea

Senegal government closed its border with neighboring Guinea soon after confirmation that the virus had reached Conakry.

“When it used to be only in the south of Guinea, we didn’t do anything special. But now that it’s reached Conakry, we believe it’s safer to close our borders,” said Senegal’s Health Minister.

“We have also closed all weekly markets, known as luma, in the south. And we’re having some discussions with religious leaders regarding big religious events,” she added.

Suspected cases of Ebola have also been reported in neighboring Sierra Leone.

Five subspecies of Ebolavirus have so far been found. Four of those have caused disease in humans: Ebola virus (Zaire ebolavirus); Sudan virus (Sudan ebolavirus); Taï Forest virus (Taï Forest ebolavirus, formerly Côte d’Ivoire ebolavirus); and Bundibugyo virus (Bundibugyo ebolavirus). The fifth, Reston virus (Reston ebolavirus), has caused disease in nonhuman primates, but not in humans, according to CDC.

There are no known cure or vaccine for the Ebola virus.

In Africa, confirmed cases of Ebola HF have previously been reported in the following countries:

  • Democratic Republic of the Congo (DRC)
  • Gabon
  • South Sudan
  • Ivory Coast
  • Uganda
  • Republic of the Congo (ROC)
  • South Africa (imported)

“The natural reservoir host of ebolaviruses, and the manner in which transmission of the virus to humans occurs, remain unknown. This makes risk assessment in endemic areas difficult. With the exception of several laboratory contamination cases (one in England and two in Russia), all cases of human illness or death have occurred in Africa; no case has been reported in the United States,” said CDC.

Ebola_2_thumb_colorized
Ebola virions (image 2 colorized 1), diagnostic specimen from the first passage in Vero cells of a specimen from a human patient — this image is from the first isolation and visualization of Ebola virus, 1976. In this case, some of the filamentous virions are fused together, end-to-end, giving the appearance of a “bowl of spaghetti.” Negatively stained virions. Magnification: approximately x40,000.  Micrograph from F. A. Murphy, University of Texas Medical Branch, Galveston, Texas.

12 deadly pathogens could spread into new regions aided by climate change

A report by Wildlife Conservation Society released on October 7, 2008 lists 12 deadly pathogens that could spread globally as a result of climate change. “All have potential impacts to both human and wildlife health as well as global economies.” Report said.

Titled ‘The Deadly Dozen: Wildlife Diseases in the Age of Climate Change,’ the report illustrates examples of diseases that could spread due to temperatures changes and variations in regional precipitation levels.

The “Deadly Dozen” list [ABC]

  1. Avian influenza
  2. Babesia
  3. Cholera
  4. Ebola
  5. Intestinal and external parasites
  6. Lyme disease
  7. Plague
  8. Red tides
  9. Rift Valley fever
  10. Sleeping sickness (trypanosomiasis)
  11. Tuberculosis
  12. Yellow fever

RELATED LINKS

Posted in Global Disaster watch, global disasters, global health catastrophe, health, significant events | Tagged: , , , , , , , | Leave a Comment »

Ebola Outbreak Kills Dozens

Posted by feww on March 23, 2014

VIRAL HEMORRHAGIC FEVERS
1ST RECORDED EBOLA OUTBREAK IN GUINEA
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EBOLA caused deadly fever outbreak: Guinea govt

The Ebola virus caused of an outbreak of deadly hemorrhagic fever which has killed at least 59 people in southern Guinea, government officials said.

Many cases have been recorded since the outbreak began in early March.

The highly contagious virus is spread via close personal contact and kills between 25% and 90% of victims.

Five subspecies of Ebolavirus have so far been found. Four of those have caused disease in humans: Ebola virus (Zaire ebolavirus); Sudan virus (Sudan ebolavirus); Taï Forest virus (Taï Forest ebolavirus, formerly Côte d’Ivoire ebolavirus); and Bundibugyo virus (Bundibugyo ebolavirus). The fifth, Reston virus (Reston ebolavirus), has caused disease in nonhuman primates, but not in humans, according to CDC.

There are  no known cure or vaccine for the Ebola virus.

In Africa, confirmed cases of Ebola HF have previously been reported in the following countries:

  • Democratic Republic of the Congo (DRC)
  • Gabon
  • South Sudan
  • Ivory Coast
  • Uganda
  • Republic of the Congo (ROC)
  • South Africa (imported)

There is no record of a previous outbreak of Ebola HF in Guinea.

“The natural reservoir host of ebolaviruses, and the manner in which transmission of the virus to humans occurs, remain unknown. This makes risk assessment in endemic areas difficult. With the exception of several laboratory contamination cases (one in England and two in Russia), all cases of human illness or death have occurred in Africa; no case has been reported in the United States,” said CDC.

Ebola_2_thumb_colorized
Ebola virions (image 2 colorized 1), diagnostic specimen from the first passage in Vero cells of a specimen from a human patient — this image is from the first isolation and visualization of Ebola virus, 1976. In this case, some of the filamentous virions are fused together, end-to-end, giving the appearance of a “bowl of spaghetti.” Negatively stained virions. Magnification: approximately x40,000.  Micrograph from F. A. Murphy, University of Texas Medical Branch, Galveston, Texas.

‘Overwhelmed in the field’

“We got the first results from Lyon yesterday (Friday) which informed us of the presence of the Ebola virus as the cause of this outbreak,” a  Guinean health officials told AFP.

“The Ebola fever epidemic raging in southern Guinea since 9 February has left at least 59 dead out of 80 cases identified by our services on the ground.”

“We are overwhelmed in the field, we are fighting against this epidemic with all the means we have at our disposal with the help of our partners but it is difficult.”

12 deadly pathogens could spread into new regions aided by climate change

A report by Wildlife Conservation Society released on October 7, 2008 lists 12 deadly pathogens that could spread globally as a result of climate change. “All have potential impacts to both human and wildlife health as well as global economies.” Report said.

Titled ‘The Deadly Dozen: Wildlife Diseases in the Age of Climate Change,’ the report illustrates examples of diseases that could spread due to temperatures changes and variations in regional precipitation levels.

The “Deadly Dozen” list [ABC]

  1. Avian influenza
  2. Babesia
  3. Cholera
  4. Ebola
  5. Intestinal and external parasites
  6. Lyme disease
  7. Plague
  8. Red tides
  9. Rift Valley fever
  10. Sleeping sickness (trypanosomiasis)
  11. Tuberculosis
  12. Yellow fever

RELATED LINKS

Posted in Climate Change, Global Disaster watch, global disasters, infectious diseases, Significant Event Imagery, significant events | Tagged: , , , , , , | Leave a Comment »

Marburg Hemorrhagic Fever Breaks Out in SW Uganda

Posted by feww on October 20, 2012

DISASTER CALENDAR SYMBOLIC COUNTDOWN: 1,239 Days Left 

[October 20, 2012] Mass die-offs resulting from human impact and the planetary response to the anthropogenic assault could occur by early 2016. 

  • SYMBOLIC COUNTDOWN: 1,239 Days Left to the ‘Worst Day’ in Human History

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Outbreak of Deadly Marburg Disease in SW Uganda Kills 5, Leaves 6 Hospitalized

An outbreak of deadly Marburg disease has left at least 5 people dead and 6 others hospitalized in SW Uganda, reports said.

The latest death occurred in Bukora Kitumba in Kabale district, said a report.

The following information is provided by CDC:

Marburg Hemorrhagic Fever

Marburg hemorrhagic fever (Marburg HF) is a rare, severe type of hemorrhagic fever which affects both humans and non-human primates. Caused by a genetically unique zoonotic (that is, animal-borne) RNA virus of the filovirus family, its recognition led to the creation of this virus family. The five subtypes of Ebola virus are the only other known members of the filovirus family.


Marburg virus virion. A colorized negative stained transmission electron micrograph (TEM), captured by F.A. Murphy in 1968, depicts a Marburg virus virion, which had been grown in an environment of tissue culture cells. Marburg hemorrhagic fever is a rare, severe type of hemorrhagic fever which affects both humans and non-human primates. Caused by a genetically unique zoonotic (that is, animal-borne) RNA virus of the filovirus family, its recognition led to the creation of this virus family. The four species of Ebola virus are the only other known members of the filovirus family. See PHIL 7219 for a black and white version of this image.

After an incubation period of 5-10 days, the onset of the disease is sudden and is marked by fever, chills, headache, and myalgia. Around the fifth day after the onset of symptoms, a maculopapular rash, most prominent on the trunk (chest, back, stomach), may occur. Nausea, vomiting, chest pain, a sore throat, abdominal pain, and diarrhea then may appear. Symptoms become increasingly severe and may include jaundice, inflammation of the pancreas, severe weight loss, delirium, shock, liver failure, and multi-organ dysfunction. Because many of the signs and symptoms of Marburg hemorrhagic fever are similar to those of other infectious diseases, such as malaria or typhoid fever, diagnosis of the disease can be difficult, especially if only a single case is involved. [CDC/ Frederick Murphy.]

Marburg virus was first recognized in 1967, when outbreaks of hemorrhagic fever occurred simultaneously in laboratories in Marburg and Frankfurt, Germany and in Belgrade, Yugoslavia (now Serbia). A total of 31 people became ill; they included laboratory workers as well as several medical personnel and family members who had cared for them. There were 7 deaths among the reported cases. The first people infected had been exposed to African green monkeys or their tissues. In Marburg, the monkeys had been imported for research and to prepare polio vaccine. In addition to the 31 cases, an additional primary case was retrospectively serologically diagnosed.

Other Details of MHF

  • The case-fatality rate for Marburg hemorrhagic fever is between 23-90%, CDC reported.
  • An outbreak of Marburg in the Democratic Republic of Congo in 2000 claimed at least 128 lives (83% fatality rate).
  • Another outbreak in Angola killed at least 227 prople in 2005 (90% fatality rate).

Viral Hemorrhagic Fevers (VHFs)


Viral hemorrhagic fevers (VHFs) are a group of diseases caused by ribonucleic acid (RNA) viruses from four distinct families. These diseases include Ebola Hemorrhagic Fever, Marburg Hemorrhagic Fever, Lassa fever, Hantavirus Pulmonary Syndrome, and Yellow Fever. Symptoms vary with the disease, but often include fever, fatigue, and muscle aches. There may be bleeding, although death from blood loss is rare. Severe cases can include shock and coma. Although some types of VHFs are relatively mild illnesses, many of them can cause severe, life-threatening disease with high fatality rates
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Along with smallpox, anthrax, plague, botulism, and tularemia, hemorrhagic fever viruses are among the six agents identified by the Centers for Disease Control and Prevention (CDC) as the most likely to be used as biological weapons. Many VHFs can cause severe, life-threatening disease with high fatality rates. Source: U.S. Gov.

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