Childhood immunizations in the United States diphtheria patients die. Without treatment as many as half the patients can die from the disease. Pertussis is a highly contagious disease that is caused by the bacteria "Bordetella pertussis." The bacteria clings to cilia in the lungs and releases a toxin that damages the cilia and causes inflammation in the respiratory tract. Many infants are infected by older siblings or caregivers that don't even know they have the disease. The bacteria is spread through respiratory secretions, often through coughing or sneezing, or just from breathing in the bacteria while around someone who is infected. Unfortunately, the effectiveness of the
Anthroponotic disease Anthroponotic disease An anthroponotic disease, or anthroponosis, is an infectious disease in which a disease causing agent carried by humans is transferred to other animals. It may cause the same disease or a different disease in other animals. Since humans do not generally inflict bite wounds on other animals, the method of transmissions is always a "soft" contact such as skin to skin transmission. An example is chytridiomycosis which can be spread by humans with the fungus on their skin handling frogs with bare hands. The reverse situation, a disease transmitted from animals to humans, is known as zoonotic. It