The vaccine to protect against whooping cough works well at first, but immunity drops off quickly, making it more important for babies to get inoculated when they're most vulnerable, Canadian doctors say.
from CBC | Health News http://ift.tt/2dmmDe7
The vaccine to protect against whooping cough works well at first, but immunity drops off quickly, making it more important for babies to get inoculated when they're most vulnerable, Canadian doctors say.
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