In 2000 the Leukemia Society of America added this other "L" ailment to its name
... 
the U.S. Department of Veterans Affairs considers HCL an illness presumed to be
... [DOC] [TLE] Immunizations - In-Depth Report - NY Times Health [PAR] Illness and death from diphtheria, pertussis (whooping cough), tetanus, measles, 
... hepatitis, and other ailments have likewise saved many lives and prevented ..... 
of any significant association between most vaccines and severe side effects that 
...... its name, is entirely different from the viruses that cause influenza (the flu).