Adverse effects of viral vaccines
Seen in normal Hosts
The pathogenesis of which is unclear
But which is thought to have an
Immunologic Basis

Postinfectious or postvaccinal
Encephalomyelitis is the classic example
Of a disease mediated by cell-mediated
Hypersensivity

These children fail to develope thr rash
Of measles and specific measles
Neutralizine antibody and subsequently die

Adverse effects of vaccines seen
In normal hosts that appear to be
Related to the nature of the
Antigen or the route of administration