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typhoid fever

Typhoid Fever Vaccine Recall: Not Potent Enough
By Catherine Roberts Latest Health Recalls

Typhoid Fever Vaccine Recall: Not Potent Enough

The Canadian company, Sanofi Pasteur, is recalling specific batches of its Typhim Vi vaccine. The company conducted a quality investigation and found that the ingredients in the vaccine varied. The most important ingredient, antigen, had different levels in batches of the product. Health Canada describes antigen as “The substance that stimulates the immune system to […]

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