JAKARTA, Jan.29 (Xinhua) -- Eight people have died and nearly two thousand others have been infected by dengue fever in Jakarta since January, head of the city health department Salimar Salim said here on Monday.

    Eastern part of Jakarta has been the most severely-hit territory, the head of the department told reporters at the City Hall here.

    It was necessary to impose a strict rule on the sanitation and cleanliness of the environment to prevent the disease from spreading, he said.

    One of the option was to impose a sanction for those violate the rule, said Salim.