USS Grouse (AMS-15) USS Grouse (AMS-15) The USS "Grouse" (AMS-15/YMS-321) was a built for the United States Navy during World War II. The ship was laid down as "YMS-321" on 29 August 1942 by Al Larson Boat Shop Inc. of Terminal Island, California, launched 20 February 1943, sponsored by Mrs. H. Doty. The ship was completed and commissioned as "USS YMS-321", 25 October 1943 with Lt. (j.g.) Newman in command. After shakedown and patrol out of San Diego, California, "YMS-321" sailed for Pearl Harbor 21 April 1944, arriving 1 May. A month later she sailed for sweeping and patrol duties in the Guam-Saipan-Tinian
Red grouse virus), also known as sheep encephalomyelitis virus. Flaviviruses are transmitted by arthropods, and louping ill virus is transmitted by ticks. In red grouse, this virus can cause mortality as high as 78%. The main tick vector is the sheep tick "Ixodes ricinus". Although traditionally tick-borne diseases are thought to be caused when the parasite bites its host, it has been shown that red grouse chicks can be affected when they eat ticks with which they come into contact. This virus may be a significant factor in red grouse populations. Red grouse The red grouse, "Lagopus lagopus scotica", is a medium-sized