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NEA urges immediate action to avoid surge in dengue cases, flags large clusters and another serotype

Published September 6, 2023 Updated September 6, 2023 Bookmark Bookmark Share WhatsApp Telegram Facebook Twitter Email LinkedIn

SINGAPORE — Singapore is at risk of a surge in dengue cases, the National Environment Agency (NEA) warned on Wednesday (Sept 6) as it urged members of the public to take immediate action to prevent mosquito breeding.

“There is a risk of a surge in dengue cases as Dengue virus serotype 1 (DENV-1) gains dominance against a backdrop of high weekly dengue cases, several large and persistent dengue clusters, and high Aedes mosquito populations in many places,” NEA said on its website.

“Immediate action is needed by all to avoid a surge in dengue cases.”

DENV-1 cases have been on the rise over the past two months and the serotype has replaced the previously dominant dengue virus serotype 3 (DENV-3).

“In July, the monthly proportion of DENV-1 cases was approximately 55 per cent, which was almost triple the proportion of DENV-3 cases at 17 per cent,” NEA said.

“The rise in proportion of a previously less prevalent dengue virus serotype is of concern, as this has historically been associated with a surge in dengue cases months later.”

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