{"id":3952,"date":"2025-10-04T10:08:34","date_gmt":"2025-10-04T13:08:34","guid":{"rendered":"https:\/\/overticeportal.com.br\/?p=3952"},"modified":"2025-10-04T10:08:35","modified_gmt":"2025-10-04T13:08:35","slug":"variante-palida-do-aedes-aegypti-e-encontrada-pela-1a-vez-na-amazonia","status":"publish","type":"post","link":"https:\/\/portalam9.com.br\/?p=3952","title":{"rendered":"Variante p\u00e1lida do Aedes aegypti \u00e9 encontrada pela 1\u00aa vez na Amaz\u00f4nia"},"content":{"rendered":"\n

Tempo de leitura: 3 minutos <\/em><\/p>\n\n\n\n

Pesquisadores brasileiros encontraram pela primeira vez na Amaz\u00f4nia a vers\u00e3o p\u00e1lida do mosquito da dengue. O\u00a0Aedes aegypti\u00a0<\/em>var. queenslandensis<\/em>\u00a0foi identificado em Macap\u00e1, no Amap\u00e1.<\/p>\n\n\n\n

O mosquito tamb\u00e9m \u00e9 transmissor de doen\u00e7as como dengue, zika, chikungunya e febre amarela. O mais curioso \u00e9 que o inseto gosta de ambientes urbanos, quentes e secos, diferentemente da esp\u00e9cie predominante no Brasil, melhor adaptada a locais mais \u00famidos.<\/p>\n\n\n\n

O estudo foi liderado por pesquisadores do Instituto de Pesquisas Cient\u00edficas e Tecnol\u00f3gicas do Amap\u00e1 (IEPA), em parceria com o Instituto Nacional de Pesquisas da Amaz\u00f4nia (INPA), a Secretaria Municipal de Vigil\u00e2ncia em Sa\u00fade de Macap\u00e1 (SMVS) e o Laborat\u00f3rio de Sa\u00fade P\u00fablica do Amap\u00e1 (Lacen\/AP). A descoberta foi publicada na Revista da Sociedade Brasileira de Medicina Tropical, em agosto.<\/p>\n\n\n\n

Para capturar 191 exemplares da variante p\u00e1lida, foram instaladas armadilhas em uma floresta urbana macapaense entre 19 e 24 de dezembro do ano passado. A ocorr\u00eancia desse tipo de mosquito \u00e9 rara no Brasil, sendo registrada apenas uma vez em 2020 na cidade de Taubat\u00e9, em S\u00e3o Paulo.

A suspeita \u00e9 que a vers\u00e3o p\u00e1lida do mosquito tenha chegado ao Brasil pelo porto de Santana, a menos de 9,5 km do lugar de coleta e que frequentemente recebe embarca\u00e7\u00f5es internacionais. Outro tipo de Aedes amplamente difundido em Macap\u00e1 chegou por l\u00e1 em 2019: o Aedes albopictus.<\/p>\n\n\n\n

Diferen\u00e7as com o Aedes aegypti comum

O Aedes aegypti var. queenslandensis \u00e9 encontrado com maior frequ\u00eancia em ambientes urbanos, quentes e secos, como localidades da Austr\u00e1lia e no Mediterr\u00e2neo. A principal diferen\u00e7a para o Aedes aegypti end\u00eamico do Brasil est\u00e1 nas caracter\u00edsticas f\u00edsicas: ele possui padr\u00e3o de escamas abdominais claras.<\/p>\n\n\n\n

\n

\u201cAt\u00e9 o momento, n\u00e3o h\u00e1 evid\u00eancias de que a variedade seja mais resistente a inseticidas ou transmita doen\u00e7as com mais efici\u00eancia\u201d, afirma o autor principal do estudo, Jos\u00e9 Ferreira Saraiva, em comunicado.<\/p>\n<\/blockquote>\n\n\n\n

\"\"
Divulga\u00e7\u00e3o\/Jos\u00e9 Ferria Saraiva e colaboradores<\/figcaption><\/figure>\n\n\n\n

A armadilha foi posicionada em uma floresta urbana de Macap\u00e1<\/strong><\/p>\n\n\n\n


Por outro lado, o fato de um mosquito da dengue habituado a ambientes quentes e secos ser encontrado na Amaz\u00f4nia preocupa os cientistas. \u201cAcende um alerta para poss\u00edvel amplia\u00e7\u00e3o da faixa de distribui\u00e7\u00e3o e da sazonalidade, especialmente durante a esta\u00e7\u00e3o mais quente e seca do ano, j\u00e1 que esta \u00e9 uma variedade mais resiliente a essas condi\u00e7\u00f5es<\/em>\u201d, ressalta Saraiva.<\/p>\n\n\n\n

Medidas para frear o avan\u00e7o do mosquito
<\/h2>\n\n\n\n

De acordo com os pesquisadores, \u00e9 necess\u00e1rio a ado\u00e7\u00e3o de medidas urgentes para frear o avan\u00e7o da variedade p\u00e1lida no Brasil. O fortalecimento da vigil\u00e2ncia de insetos em portos, aeroportos e \u00e1reas estrat\u00e9gicas, al\u00e9m de inspe\u00e7\u00f5es regulares e instala\u00e7\u00e3o de armadilhas s\u00e3o boas alternativas<\/p>\n\n\n\n

Enquanto isso, o papel da popula\u00e7\u00e3o se mant\u00e9m o mesmo. \u201cA medida mais eficaz continua sendo a elimina\u00e7\u00e3o sistem\u00e1tica de \u00e1gua parada ao menos uma vez por semana, mantendo quintais sem lixo ou entulho e guardando objetos sob cobertura<\/em>\u201d, ensina Saraiva. O uso de telas em portas e janelas, repelentes na pele e roupas de mangas compridas quando poss\u00edvel tamb\u00e9m \u00e9 bem-vindo.<\/p>\n\n\n\n

A equipe pretende aumentar a vigil\u00e2ncia de insetos no porto de Santana e outras regi\u00f5es de Macap\u00e1, incluindo coletas trimestrais e an\u00e1lises gen\u00e9ticas com o objetivo de identificar a origem da esp\u00e9cie no Brasil.<\/p>\n\n\n\n

Fonte: Metr\u00f3poles \/ <\/strong>Foto: Divulga\u00e7\u00e3o\/Jos\u00e9 Ferria Saraiva e colaboradores
<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Tempo de leitura: 3 minutos Pesquisadores brasileiros encontraram pela primeira vez na Amaz\u00f4nia a vers\u00e3o<\/p>\n","protected":false},"author":3,"featured_media":3954,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curiosidades-2"],"yoast_head":"\nVariante p\u00e1lida do Aedes aegypti \u00e9 encontrada pela 1\u00aa vez na Amaz\u00f4nia - Portal Amazonas 9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/portalam9.com.br\/?p=3952\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Variante p\u00e1lida do Aedes aegypti \u00e9 encontrada pela 1\u00aa vez na Amaz\u00f4nia - 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