Show Flu Vaccine Limited Influenza vaccine should be given In November in the northern areas or Immediately after the first occurrence occurrence occurrence occur occur- rence of the disease according to the New York state department of health Duration of the Immunity given by the vaccine Is short generally generally generally gen gen- from about four months to a year The common cold and its complications complications complications com com- however are arc not prevented prevented pre pre- vented by the use of Influenza vaccines vaccines vaccines vac vac- cines nor Is protection afforded against bacterial infections such auch as streptococcal sore throat |