1967 Marburg virus disease outbreak
Outbreak of Marburg virus disease in 1967
1967 Marburg virus disease outbreak[edit | edit source]
The 1967 Marburg virus disease outbreak was a significant event in the history of viral hemorrhagic fevers. It marked the first recorded outbreak of Marburg virus disease, a severe and often fatal illness caused by the Marburg virus, a member of the Filoviridae family, which also includes the Ebola virus. The outbreak occurred in the cities of Marburg, Frankfurt, and Belgrade, leading to the identification of the virus and the establishment of protocols for handling such infectious agents.
Background[edit | edit source]
In 1967, laboratory workers in Marburg and Frankfurt, Germany, and Belgrade, Yugoslavia (now Serbia), began to fall ill with a mysterious disease. The initial cases were linked to research facilities that were using African green monkeys (Chlorocebus aethiops) imported from Uganda for the production of polio vaccine.
Outbreak[edit | edit source]
The outbreak began in August 1967, when laboratory workers in Marburg and Frankfurt developed symptoms of a severe febrile illness. The symptoms included high fever, severe headache, and malaise, followed by hemorrhagic manifestations such as bleeding from the gums, nose, and gastrointestinal tract. The disease was characterized by a high mortality rate, with 7 out of 31 infected individuals succumbing to the illness.
The source of the infection was traced back to the African green monkeys, which were imported for research purposes. These monkeys were found to be carriers of the Marburg virus, which was transmitted to humans through contact with infected tissues and fluids.
Identification of the Virus[edit | edit source]
The causative agent of the outbreak was identified as a novel filovirus, which was subsequently named the Marburg virus. This discovery was significant as it was the first time a filovirus had been identified, leading to the classification of a new family of viruses. The identification of the virus involved extensive laboratory work, including electron microscopy and serological tests, which confirmed the presence of a previously unknown pathogen.
Response and Containment[edit | edit source]
The outbreak prompted a swift response from public health authorities. Infected individuals were isolated, and strict infection control measures were implemented to prevent further spread of the virus. Laboratories handling the virus were subjected to rigorous safety protocols, and the importation of African green monkeys was temporarily halted.
The outbreak was contained within a few months, with no further cases reported after November 1967. The rapid containment was attributed to the effective implementation of quarantine measures and the cooperation of international health organizations.
Impact and Legacy[edit | edit source]
The 1967 Marburg virus disease outbreak had a profound impact on the field of virology and infectious disease control. It highlighted the risks associated with handling non-human primates in research settings and led to the development of enhanced biosafety protocols. The outbreak also spurred further research into filoviruses, ultimately leading to a better understanding of their biology and pathogenesis.
The Marburg virus continues to be a subject of study, particularly in the context of emerging infectious diseases and bioterrorism. The lessons learned from the 1967 outbreak have informed global health strategies for managing viral hemorrhagic fevers and other high-consequence pathogens.
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