Pathogens in the Sea: An Overview -- Diversity, Sources, and Detection of Human Bacterial Pathogens in the Marine Environment -- Biotic and Abiotic Effects -- Survival of Enteric Bacteria in Seawater: Molecular Aspects -- Human Pathogenic Viruses in the Marine Environment -- Survival of Viruses in the Marine Environment -- Zoonotic Protists in the Marine Environment -- Marine and Estuarine Harm…