Brucellosis milk products, or by pasteurizing all milk that is to be ingested by human beings, either in its unaltered form or as a derivate, such as cheese. The mortality of the disease in 1909, as recorded in the British Army and Navy stationed in Malta, was 2%. The most frequent cause of death was endocarditis. Recent advances in antibiotics and surgery have been successful in preventing death due to endocarditis. Prevention of human brucellosis can be achieved by eradication of the disease in animals by vaccination and other veterinary control methods such as testing herds/flocks and slaughtering animals when infection
Demographic threat numbered only slightly fewer than Protestants. There is debate over whether and to what extent this trend will continue and its possible impact on the political situation. Russia fears the "demographic threat" posed by the potential for "large-scale Chinese immigration" to its thinly populated far east. Illegal immigration of Chinese nationals is a special concern. Some in the United States have expressed concern about the "demographic threat" posed by millions of migrants from Mexico and Latin America and their descendants. Migration Stock is the number of people that live in an area that they were not originally from and Migration