diptheria Diptheria vaccine was invented in the 1920s but not widespread until 1949 - by that time the disease very much diminished. flu Influenza vaccine was invented in 1960, pneumonia vaccine was introduced in 2001 aftwr deaths from both diseases had decreased dramatically. measles Measles vaccine introduced in 1963 after the disease had already declined.

polio tb BCG (TB vaccine) was introduced in 1953 adter TB had already declined. typhoid No widespread vaccination program for typhoid but the disease still declined.