Infectious Diseases is the branch of Medicine dealing with the diagnosis and treatment of clinically evident or asymptomatic illness resulting from the presence of Microbial Agents such as Bacteria, Virus, Fungi, Protozoa and Parasites. These diseases are also called Contagious Diseases since they can be transmitted from one person to another through air, water, physical contact, physical objects and body fluids.

A Physician specializing in Infectious Diseases commonly treats the following conditions:

Malaria; Dengue; Chikungunya; Scabies; Measles; Mumps; Chicken Pox; Tetanus; Acquired immune deficiency syndrome (AIDS); Tuberculosis; Leprosy; Diarrhea; Dysentery; Meningitis; Sinusitis; Pneumonia; Hepatitis; Sexually Transmitted Diseases (STD); Syphilis; Typhoid; Cholera; Parasitic Infestations; Fungal Infections; Bone and Joint Infections; Infections related to Immune-Compromised People like Cancers; Infections related to Surgery

Microbial Culture of Blood, Sputum, Urine and Stools; Microscopy; Molecular Tests; Biochemical Tests; X - Ray; Computed Tomography (CT) Scan; Magnetic Resonance Imaging (MRI); Positron Emission Test (PET) Scan; Biopsy; Bone Scan

Vaccinations ; Investigations of Epidemics and Pandemics like Severe Acute Respiratory Syndrome (SARS), Novel H1N (Swine Flu); Antibiotic Stewardship Program to prescribe the appropriate antibiotic needed thereby minimizing side effect, maximizing benefit and preventing the development of resistance