International travel and health :  Situation as on 1 Jenuary 2010 / 
World Health Organization. 
 - Geneva :  World Health Organization,  2010. 
 - x, 248 p. ;  20 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>978-92-4-158045-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable disease control<br/>Travel<br/>Vaccination--standards<br/>Risk factors