Yes, serious complications such as encephalitis and meningitis (inflammation of the brain and surrounding membranes) have occasionally been reported.  

The CDC issued a warning due to the spread of the Oropouche virus in regions near the US and to advise caution for residents, especially those traveling to affected areas.      

The US CDC advises avoiding unnecessary travel to Brazil and Cuba due to the presence of the Oropouche virus.  

Sloth fever symptoms are similar to those of other viral infections, making it difficult to distinguish without specific medical testing.  

The Oropouche virus was first identified in 1955.  

To prevent Sloth fever, avoid contact with mosquitoes and biting midges, and use insect repellent and protective clothing.  

Sloth fever is not directly contagious between humans. It is transmitted through the bites of infected mosquitoes and biting midges.  

Approximately 60% of people infected with the Oropouche virus become ill, experiencing symptoms of Sloth fever.