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Posts Tagged ‘Ebola HF’

Ebola Outbreak: Public Health Emergency Declared in Sierra Leone

Posted by feww on July 31, 2014

UPDATED August 1, 2014 @ 03:00UTC

EMERGING & RE-EMERGING INFECTIOUS DISEASES
VIRAL HEMORRHAGIC FEVERS
DEADLY EBOLA HF EPIDEMIC
EBOLA OUTBREAK IN WEST AFRICA
SCENARIO 011
.

Sierra Leone declares public health emergency to curb deadly Ebola outbreak

Death toll from an outbreak of Ebola in West Africa—Guinea, Liberia and Sierra Leone—has risen to at least 729 since February, including 233  in Sierra Leone, said WHO.

Liberia’s government earlier announced that it was closing down all schools across the country to stop the spread of the deadly virus.

Ebola Fears in Other Countries

“The Philippine Department of Health (DOH) said Thursday that it has put in place precautionary measures to prevent the entry and spread of the Ebola virus disease in the country,”  said a report.

Ebola could be a threat to Britain, said the British Foreign Secretary during an emergency meeting on Wednesday.

“In terms of the UK, the issue is about the possibility of somebody who has contracted the disease in Africa getting sick here.” He told reporters.

The Nigerian government has ordered the temperature screening of all passengers arriving from places at risk from Ebola, while suspending pan-African airline Asky because it brought the first Ebola case to the overcrowded capital Lagos.

Ethiopia and Kenya have begun screening passengers arriving from West Africa.

Ebola Hemorrhagic Fever (EHF)

EHF is a highly contagious virus that spreads via close personal contact and kills up to 90% of the 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.

  • Symptoms include high fever, bleeding and damage to central nervous system.
  • There are  no known cure or vaccine for the Ebola virus.
  • Incubation period is from two to 21 days.

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 current outbreak  is the first known occurrence 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.

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 order]

  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, global health catastrophe, significant events | Tagged: , , , , , | Leave a Comment »

Sierra Leone “Quarantines” Ebola Affected Area

Posted by feww on June 14, 2014

EMERGING & RE-EMERGING INFECTIOUS DISEASES
VIRAL HEMORRHAGIC FEVERS
DEADLY EBOLA HF
SCENARIO 011
.

Sierra Leone quarantines Ebola affected area as death toll mounts

Authorities in Sierra Leone have declared an emergency in the Ebola affected district of Kailahun, near Gueckedou, Guinea, ordering closure of all schools.

“All public gatherings and cultural activities are banned and cross-border trade fairs halted until the Ebola virus is contained, ” the health authorities said.

Ebola HF has  killed at least 19 people in Sierra Leone, with 117 suspected cases, CDC reported.

Outbreak of Ebola in Guinea, Liberia, and Sierra Leone [CDC]

Highlights
As of June 10, 2014, the Guinea Ministry of Health announced a total of 376 suspect and confirmed cases of Ebola hemorrhagic fever (EHF), including 241 fatal cases, in the districts of Conakry, Guéckédou, Macenta, Kissidougou, Dabola, Djingaraye, Télimélé, Boffa, and Kouroussa (see map).

233 cases across Guinea have been confirmed by laboratory testing to be positive for Ebola virus infection.
In Conakry, 75 suspect cases are reported to meet the clinical definition for EHF, including 32 fatal cases.

June 9, 2014, the Ministry of Health and Sanitation of Sierra Leone reported 43 laboratory confirmed cases of EHF from 3 districts: Kailahun, Kambia, and Port Loko.

An additional 117 suspect cases and 19 fatal cases were also reported in Sierra Leone on June 9.

The Ministry of Health and Social Welfare of Liberia reported 1 new laboratory confirmed case and one death on June 7, 2014. This is the first case reported since early April.

Genetic analysis of the virus indicates that it is closely related (97% identical) to variants of Ebola virus (species Zaire ebolavirus) identified earlier in the Democratic Republic of the Congo and Gabon (Baize et al. 2014External Web Site Icon).

The Guinean Ministry of Health, the Ministry of Health and Sanitation of Sierra Leone, and the Ministry of Health and Social Welfare of Liberia are working with national and international partners to investigate and respond to the outbreak.

Guinea at a Glance

Suspected and Confirmed Case Count: 376
Suspected Case Deaths: 241
Laboratory Confirmed Cases: 233

Liberia at a Glance

Suspected and Confirmed Case Count: 13
Suspected Case Deaths: 9
Laboratory Confirmed Cases: 6

Sierra Leone at a Glance

Suspected and Confirmed Case Count: 160
Suspected Case Deaths: 19
Laboratory Confirmed Cases: 43

Outbreak Update
June 11, 2014

On June 10, 2014, The Ministry of Health (MoH) of Guinea reported 376 suspect and confirmed cases of Ebola hemorrhagic fever (EHF), including 241 fatal cases and 233 laboratory confirmed cases. New cases were reported in Gueckedou, Telimele, and Boffa districts and follow-up investigations continue in Conakry, Boke, and Dubreka districts in the west, and Macenta, and Kouroussa districts in the south (see map).

The Ministry of Health and Sanitation of Sierra Leone reported 117 suspect cases, 19 fatal cases, and 43 laboratory confirmed cases on June 9, 2014. Confirmed cases have been reported from the Kailahun district, near Gueckedou, Guinea, and for the first time in Kambia and Port Loko districts in northwest Sierra Leone. Reports of and investigations of suspect cases continue in Kailahun, Kenema, Kono, Bo, Moyamba , Kambia, Koinadugu, Port Loko, Tonkolili, Bombali, and Western area districts. Laboratory testing is being conducted in Kenema city. Sierra Leone and WHO have sent experts to aid in the response and investigation.

On June 7, 2014, the Ministry of Health and Social Welfare of Liberia reported 1 laboratory confirmed EHF case and 1 new death in the Foya District of Liberia. This is the first reported case since April 6, 2014.

Possible Outbreak in Senegal and Gambia

News of a possible outbreak in Senegal may have been suppressed. As of early April, Gambia had placed at least two people with suspected EHF under quarantine.

Ebola Hemorrhagic Fever(EHF)

EHF is a highly contagious virus that spreads via close personal contact and kills up to 90% of the 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)

The current outbreak  is the first known occurrence 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.

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, 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
.

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 »