Answer. . .Europe is not an island nor a country but a continent which is located Eastward from the U.S. is divided by the North Atlantic ocean. Asia is to it's East. E â¦ urope comprises the westernmost peninsula of Eurasia.
Shift work sleep disorder (SWSD) is a circadian rhythm sleep disorder characterized by insomnia and excessive sleepiness affecting people whose work hours overlap with the typical sleep period.
Home Â» Biology Â» Antigenic shift Antigenic shift Antigenic shift is the process by which two different strains of influenza combine to form a new subtype having a mixture of the surface antigens of the two original strains. Because the human immune system has difficulty recognizing the new influenza strain, it may be highly dangerous.