UPDATE TO THE 2002 CANADIAN IMMUNIZATION GUIDE
Typhoid Vaccine
Page 215, Preparations Licensed for Immunization, Oral
live-attenuated vaccine:
“The vaccine [Ty21a] is produced by Swiss Serum and
Vaccine Institute . . .”
The corporate name of the Swiss Serum and Vaccine Institute
was officially changed in 2002 to Berna Biotech.
Page 218, Booster Doses:
“Nonetheless, periodic booster doses in those at continued
risk may reasonably be expected to increase antibody titres and protection
(e.g., every 2-3 years for the parenteral formulation and every 3-4 years
for the oral formulations).”
The last interval given in parentheses should be changed
to “. . . and every 7 years for the oral formulations).”
Page 218, Simultaneous Administration with Other Vaccines:
“The liquid form of the oral typhoid vaccine can be
given simultaneously with oral cholera vaccine, and such a combined formulation
is now available (Colertif Berna).”
Such a combined formulation is not now available, and the
manufacturer has no plans to make such a product available.
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