30 January 2015 - Japan-based Sumitomo Chemical has produced SumiLarv 2 MR, a novel, long-lasting larvicide formulation that is effective in preventing dengue fever, it was reported yesterday.

The firm has filed an application to the World Health Organisation Pesticide Evaluation Scheme for its recommendation on the product.

The product is a new formulation based on a novel product design, whereby the controlled-release technology adopted inhibits mosquito larvae from growing for extended periods of six months or longer.