Kathmandu, July 12 -- Presence of Aedes aegypti and Albopictus mosquitoes and their larvae in huge numbers in Kaski district, especially in Pokhara, is a cause for concern, an entomological study by the Vector-borne Disease Research and Training Center shows.

What is more worrying, according to those involved in the study, is that larvae and mosquitoes were found in April, a dry month.

Female Aedes aegypti and Albopictus mosquitoes transmit the dengue virus.

The same vector also transmits chikungunya, yellow fever and Zika viruses, according to the World Health Organisation.

"We found larvae of Aedes aegypti and Albopictus mosquitoes in Pokhara," Shishir Panta, an entomologist serving at the Vector-borne Disease Research and Training ...