喀拉拉邦卫生官员确认三个地区出现西尼罗河病毒病例，并加大了季风前的清理和监测力度。 Kerala health officials confirm West Nile virus cases in three districts, increasing pre-monsoon cleaning and surveillance efforts.
喀拉拉邦卫生官员在确认科泽科德、马拉普兰和特里苏尔三个地区出现西尼罗河病毒 (WNV) 病例后处于高度警惕状态。 Kerala health officials are on high alert after confirming West Nile virus (WNV) cases in three districts: Kozhikode, Malappuram, and Thrissur. 已确诊五例病例，其中四例已康复，一例仍在治疗中。 Five cases have been identified, with four patients recovering and one remaining under treatment. 卫生部门已指示各地区加强季风前清洁活动和监测活动，以防止蚊子滋生并清理死水源。 The health department has directed districts to increase pre-monsoon cleaning drives and surveillance activities to prevent mosquito breeding and clean stagnant water sources. 西尼罗病毒通过蚊虫叮咬传播给人类，鸟类是该病毒的天然宿主。 WNV is transmitted to humans through mosquito bites, with birds being the natural hosts of the virus. 人与人之间的传播很少见，但该病毒可能导致严重后果，包括脑炎、脑膜炎或死亡。 Human-to-human transmission is rare, but the virus can lead to severe consequences, including encephalitis, meningitis, or death.