51.   The city has been using pesticides to kill the mosquitoes that carry the virus.

52.   The Cuban Health Ministry said it had begun a campaign to kill the mosquito that spreads the disease, which causes high fever, severe headaches and vomiting.

53.   There is no need yet to apply insecticide to kill adult mosquitoes, he said.

54.   The United News of India said army squads have been fanning out across the city, spraying insecticide into drains and sewers to kill mosquitoes.