What are the Common Diseases and Their Symptom in Children under Five? Bacterial Infections: Ear infections: Respiratory infections: Urinary tract infections (UTIs): Gastrointestinal infections: Streptococcal Infections: Staphylococcal Infections: Tuberculosis: Viral Infections: Rotavirus: Influenza: Respiratory Illnesses a very Common Disease: Pneumococcal Infections: Varicella-Zoster Virus: Parasitic Infections: Malaria: Toxoplasmosis: Other Common Diseases: Asthma: Skin Condition: Allergies: Prevention and Treatment: Vaccines: Sanitation: Proper Nutrition: Over-the-Counter Medications Use For Most Common Diseases: Natural Remedies: Antibiotics: Facts & Sources: General FAQs (Common Diseases): Conclusion: