Infectious diseases or communicable diseases are one of the leading causes of death worldwide. These diseases are spread by pathogenic microorganisms, such as bacteria, viruses, parasites, or fungi. Infectious diseases possess greater risk as these diseases can easily transfer from human to human or by other modes. Generally, people with low immunity, infants, and the elderly population are at greater risk of getting an infectious disease.
The mode of transmission can be divided into two parts, namely direct and indirect transmission. Direct transmission occurs through direct contact with sick individuals, animal to person, or from mother to newborn child. In...
