The 4 in 1 vaccine immunises against Diphtheria, Tetanus and Pertussis (whooping cough) and Poliomyelitis (Polio). Children should be given vaccines protecting them from these diseases at 2, 4 and 6 month. A further booster shot should be given when children are between 4-5 years of age. https://www.hse.ie/eng/health/immunisation/pubinfo/schoolprog/4in1mmr/4n1mmrleafleteng.pdf Diphtheria is an infection caused by the […]
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