The flu is more dangerous in children below the age of five years old, adults with pre-existing medical illness such as bronchitis, asthma and chronic obstructive pulmonary disease, and the elderly, especially those above the age of Photo: 123rf.com
Many believe that the first vaccinations we receive as children will protect us against a lifetime of diseases.
Well, this may generally be true as vaccinations we receive as children will protect us against many diseases, even as adults. However, diseases can evolve, and new ones emerge over time.
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