Polio Poliovirus Through the mouth Paralysis, or death Pneumococcal disease Streptococcus pneumoniae Air or direct contact Bacteremia (blood infection), meningitis, or death Rotavirus infection Rotavirus virus Through the mouth Severe diarrhea, dehydration, electrolyte imbalance, kidney and liver disease, or death Rubella (German measles) Rubella virus Air or direct contact Encephalitis, arthritis/arthralgia, hemorrhage, or orchitis Tetanus (lockjaw) Clostridium tetani bacteria Through cuts in the skin Broken bones, breathing difficulty, or death Disease Caused by Spread by Complications 26
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