By Salma Khalik, Health Correspondent

WITH intensified efforts this year, Singapore's fight against dengue appears to have paid off, with 25 per cent fewer cases than last year.
However, a newly emerged Aedes mosquito-borne illness is causing fresh concerns. Chikungunya cases continued their upward trend, with more than 40 cases a week in the past three weeks.

Of the 43 cases diagnosed last week, 39 caught the virus locally, while the other four imported cases were from Malaysia.

For more The Straits Times stories, click here.