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Gridded Parasitic Patch Stacked Microstrip Antenna With Beam Shift Capability for 60 GHz Band

A microstrip antenna design is introduced in which a rectangular microstrip patch is coupled electromagnetically with a gridded rectangular patch placed above. The gridded patch consists of nine identical rectangular parts separated by a distance which is much smaller than a free space wavelength for a central frequency. The antenna is designed to operate in the 60 GHz band and is fabricated on a

Direct and indirect costs for yersiniosis and shigellosis in Sweden

Yersiniosis and shigellosis are two bacteria-borne and food-related diseases that lead to significant costs in terms of direct costs (costs of healthcare, medicine, rehabilitation etc.), indirect costs (lost productivity due to absenteeism) and intangible costs (pain, nausea and other intangible aspects that can be linked to disease). It is essential to estimate these costs, partly to be able to c