The risk of animals transmitting the virus to people is low, but infection can spread from people to animals during close contact.
The requirement of proof of vaccination for entry into Brazil will not apply to those who left the country before December 14th. However, PCR testing will be mandatory.
"This information is important to reduce speculation about this party. Carnival at Marquês de Sapucaí requires preparation well in advance, including the transfer of public resources to the samba schools," he said.
According to the Department of Health, the method used in patients is the antigen, to identify cases more quickly and maintain patient monitoring.
In the accumulated result for the year, there was an increase of 4.99%. And in the 12 months ended in October, the indicator was also positive, at 4.19%.