The Importance of Vaccinations in Preventing Infectious Diseases
Introduction Humans have always had infectious diseases. They have triggered innumerable pandemics and epidemics that killed millions worldwide. Contagious diseases threaten world health despite discovering antibiotics, other medications, excellent sanitation and hygiene, and increased health education. Bacteria, viruses, fungi, and parasites cause infectious diseases, which can spread from sick people, animals, or objects. They can ... Read More
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