Abstract

The Journal of the National Science Foundation of Sri Lanka publishes the results of research in all aspects of Science and Technology. The journal also has a website at http://www.nsf.gov.lk/. 2021 Impact Factor: 0.682The JNSF provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.Cover :Leatherback (a), green (b - adult & f - hatchling), hawksbill (c) and olive ridley (d) turtles who nest in Sri Lankan beaches, green turtle crawl marks (e) and by-catch of sea turtles in fisheries (c & d)Photo credits: SJ Perera (a & c), WPN Perera (b & e), K Ekaratne (d & f)

Highlights

  • Dengue fever (DF) and its severe form, dengue haemorrhagic fever (DHF) are the most common and widespread vector borne diseases in the world

  • We investigate the conditional distribution of infected humans given eight weeks leading rainfall copepods that feed on mosquito DQGVRPHOHYHORIFRQWUROPHDVXUHVZKLFKLVGH¿QHGDV

  • Without control measures according to equation (15)

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Summary

Introduction

Dengue fever (DF) and its severe form, dengue haemorrhagic fever (DHF) are the most common and widespread vector borne diseases in the world. Two measures, u and u , are introduced to control adult mosquitoes and growing juveniles using two methods. The constructed fuzzy measure describes the level of favourability to dengue mosquitoes from climate.

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