香港计划明年试行感染雄蚊抑制后代生长

香港将于明年试行“蚊子控蚊”策略,通过感染雄蚊以细菌阻止其后代发育成熟,此举是在当地一年多来首例本地登革热病例出现后宣布的。 食品安全环境卫生署署长Donald Ng Man-kit表示,政府将考虑降低蚊虫控制措施的阈值,因为本月蚊虫数量上升较快。

香港食品安全环境卫生署署长Donald Ng Man-kit于周日在电视采访中宣布,该市将于明年试行一种新型蚊虫控制策略。该策略通过感染雄蚊以特定细菌,使其交配后产生的后代无法发育成熟,从而减少整体蚊虫数量。

上周报告的本地登革热病例涉及一名21岁男子,他在Lantau Island的Penny’s Bay路工地附近被蚊虫叮咬。这是自2024年以来香港首例本地登革热病例。当局已在现场及周边地区实施蚊虫控制和预防措施。

Ng Man-kit表示,本月蚊虫数量上升速度较快,政府将考虑降低控制措施的启动阈值,以加强应对。关键词中提及的Asian tiger mosquito等物种是主要载体,该策略针对此类蚊虫。

此举回应近期公共卫生挑战,包括邻近mainland China的Foshan等地chikungunya fever情况,但香港重点控制本地风险。

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