निम्नलिखित में से कौन सा जोड़ा मुख्य रूप से मच्छरों द्वारा फैलने वाली व्यापक संक्रामक बीमारियों का प्रतिनिधित्व करता है?

Which of the following groups consists exclusively of diseases caused by bacterial infections?

Which of the following groups of biological agents are the primary carriers in contaminated water that cause waterborne diseases such as cholera, typhoid fever, and dysentery?

Identify the bacterial disease from the following options: