Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others. Other risks associated with having blood drawn are slight but may include: 1  Excessive bleeding. 2  Fainting or feeling light-headed. 3  Hematoma (blood accumulating under the skin). 4  Infection (a slight risk any time the skin is broken).
Yellow Quaker or Lutino Quaker This small South American parakeet is a common sight in the United States, both in the home and flying free in urban centers where it has made a home for its wild flock. Gregarious and social, life with a quaker is never dull.
Yellow fever is a viral disease spread to humans, as well as between certain other primates and humans, by the bite of infected mosquitoes. The virus is called simply Yellow fever virus, named for the jaundice that affects some patients, and belongs to the virus family Flaviviridae. Yellow fever is endemic in areas of Latin America and Africa, while imported cases have appeared throughout the world.