Analisis Sanitasi Lingkungan Dan Perilaku Penjamah Makanan Terhadap Kepadatan…

Dumai Port is one of the densely populated ports that serve domestic and international shipping so that many ships dock, both passenger ships and cargo ships. This condition makes Dumai port a gateway for the transformation of disease vector spread. Cockroaches are a type of insect that is a vector of disease. Based on data from the Dumai Port Health Information System in 2019, the canteen…