Nearly half of municipalities are on the alert or at risk of an Aedes disease outbreak | Aedes Aegypti

• See how to fight Aedes aegypti

The figures are part of the rapid survey on infection rates conducted by Aedes Aegypti (LIRAa). Compared to the same study published in June, the warning index and the risk index have decreased. Previously, 60% of cities were in this state.

A total of 5,358 municipalities across the country (96.2%) conducted some form of mosquito surveillance, including 5,013 per infestation survey (LIRAa / LIA) and 345 per trap. The trap method is used when mosquito infestation is very low or non-existent.

According to LIRAa data, 504 Brazilian municipalities have a high infestation rate, with a risk of outbreak of mosquito-borne diseases.

According to the Ministry, there are satisfactory indices: Curitiba (PR), Teresina (PI), João Pessoa (PB), Florianópolis (SC), São Paulo (SP), Macapá (AP ), Maceió. , Fortaleza (CE) and Aracaju (SE).

The capitals with indicia on alert are: Manaus (AM), Belo Horizonte (MG) Recife (PE), Rio de Janeiro (RJ), Brasilia (DF), São Luís. , Vitória (ES), Salvador (BA), Porto Velho (RO), Goiania (GO) and Campo Grande (MS).

In parallel, the capitals Palmas (TO), Boa Vista (RR), Cuiabá (MT) and Rio Branco (AC) are at risk of epidemics of dengue, zika and chikungunya due to the presence of An index of prevalent infestation. 4

According to the Ministry, until December 3, 241,664 cases of dengue fever were reported throughout the country, a slight increase over the same period in 2017 (232,372). The incidence rate, which takes into account the proportion of cases per inhabitant, is 115.9 cases / 100,000 inhabitants. Compared with the number of deaths, the decrease is 19.3% compared to the same period of the previous year, from 176 deaths in 2017 to 142 this year.

Also taking into account data as of December 3, 84,294 cases of chikungunya have been reported nationwide, a 54% reduction from the same period in 2017 (184,344). The incidence rate, which takes into account the proportion of cases per inhabitant, is 40.4 cases / 100,000 inhabitants. Compared to the number of deaths, the decline is 81.6% over the same period of the previous year, rising from 191 deaths in 2017 to 35 this year.