Menactra Vaccine Immunogenicity. Helps protect against 4 vaccineâpreventable serogroups1,2. Immunogenicity proven in clinical trials â confirmed in everyday use1. The immune responses to Menactra and Menomune-A/C/Y/W-135 vaccines were comparable for all 4 serogroups1,6.
The mediastinum is the middle section of the chest cavity. The chest cavity contains the left and right lungs, which lie on either side of the heart. The heart is contained in the portion of the chest known as the mediastinum.
The thoracic cavity contains the lungs and the heart, which is located in the mediastinum. The diaphragm forms the floor of the thoracic cavity and separates it from the more inferior abdominopelvic cavity. The abdominopelvic cavity is the largest cavity in the body.he thoracic cavity contains the lungs and the heart, which is located in the mediastinum. The diaphragm forms the floor of the thoracic cavity and separates it from the more inferior abdominopelvic cavity. The abdominopelvic cavity is the largest cavity in the body.