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Health & Medicine, World Affairs
Mahesh

30/07/24 13:13 PM IST

Oropouche fever

In News
  • Two people in the Brazilian state of Bahia were the first people to die from Oropouche fever, the country’s health ministry reported recently.
Oropouche fever
  • Oropouche virus disease is transmitted through the bites of infected midges and mosquitos.
  • Although the disease has long been circulating in Central and South America and the Caribbean, some countries have seen a sharp rise in diagnosed cases this year.
  • The disease is spreading to other countries that have never detected cases of Oropouche fever before.
  • On June 11, the WHO reported the first-ever outbreak in Cuba.
  • This is the first detection of the disease [in Cuba], therefore, the population is likely highly susceptible and there is significant risk of additional cases being detected.
Symptoms similar to dengue
  • Oropouche fever is caused by the Oropouche virus, which is transmitted most often through the bite of the Culicoides paraensis midge.
  • There is no evidence of human-to-human transmission of the disease — to date.
  • Symptoms of the disease are similar to dengue and typically start between four and eight days after the bite.
  • The onset is sudden, and symptoms usually include fever, headaches, pain, chills, joint stiffness and sometimes nausea and vomiting.
  • Most patients recover in about seven days.
  • According to the WHO, severe cases are rare. There is no specific vaccine or antiviral treatment available for the disease.
Role of Climate
  • Oropouche fever is an understudied illness.
  • As a result, the disease’s epidemic potential and areas of likely spread remain “unexplored.”
  • Although most cases of Oropouche fever thus far have been linked to tropical climate conditions, the authors noted that the lack of available data makes it difficult to draw precise conclusions.
  • For example, some outbreaks have occurred outside the tropical conditions typically associated with transmission events.
  • Although much remains unclear about the virus and its spread, the authors also noted that vegetation loss and deforestation appear to be associated with outbreaks of the disease.
Source- Indian Express

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