Pertussis immunisation in Europe - the situation in late 1999.
The history of pertussis in European countries has clearly shown that immunisation decreases the morbidity associated with the disease. Inactivated whole cell pertussis vaccines (wP) have been used in some national vaccination programmes for over 30 years
Therre
Helene
H
Institut de Veille Sanitaire, Saint-Maurice, France.
Baron
S
S