Jazz Casual – Thad Jones/Mel Lewis Orchestra and Woody Herman and His Swinging Herd DVD of the Jones/Lewis Orchestra tracks combined with the 1961 appearance of the Dave Brubeck Quartet and the 1962 Modern Jazz Quartet appearance and another DVD including all 3 Woody Herman appearances from 1963 and 1964 which were both also part of an 8 DVD complete set of all 28 "Jazz Casual" TV episodes.) Tracks 1-6: Thad Jones / Mel Lewis Jazz Orchestra <br> Tracks 7-14: Woody Herman and his Swinging Herd Thad Jones / Mel Lewis Jazz Orchestra: Woody Herman and his Swinging Herd: Jazz Casual – Thad Jones/Mel Lewis Orchestra and Woody Herman and His Swinging Herd Jazz
Herd immunity Herd immunity Herd immunity (also called herd effect, community immunity, population immunity, or social immunity) is a form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection, thereby providing a measure of protection for individuals who are not immune. In a population in which a large number of individuals are immune, chains of infection are likely to be disrupted, which stops or slows the spread of disease. The greater the proportion of individuals in a community who are immune, the smaller the probability that those who are not