1. Tuberculosis:- TB affects the respiratory system, sign and symptoms include fever, night sweats, weight loss, cough for more than three months.
2. Typhoid:- It affects the intestinal system caused by Salmonella, signs and symptoms includes fever, abdominal pain, severe body ache.
3. Cellulitis:- It is the infection of skin caused by Staphylococcal bacteria, sign and symptoms include fever, redness of infected skin, extreme pain and itching of the skin.