||Recall every ten years (after making sure that
the three first shots were administered).
||3 shots. The second shot is administered one
month or two following the first and the last one after 2 to 4
||One shot if no immunity. Women, in childbearing
period, should consult their physician (if planning to get
pregnant, the shot must be administered before two months,
preferably before marriage).
||Yearly after the age of 50, especially if you
work in the healthcare sector, in an infirmary or a nursery.
||Once at the age of 65, if not administered
before, to chronic smokers.