With examples briefly explain the meaning of communicable disease?

A communicable disease is an illness caused by an infectious agent that can be transmitted from one person to another. This can occur through direct contact, such as touching or kissing, or through indirect contact, such as through contaminated surfaces or air droplets.

Examples of communicable diseases include the flu, tuberculosis, HIV/AIDS, and COVID-19. These diseases can spread easily in communities and populations, leading to outbreaks or epidemics if not properly controlled. Public health measures such as vaccination, hand hygiene, and quarantine are often used to prevent the spread of communicable diseases.

Communicable disease is a disease that can be transmitted from one person to another. This transmission can occur through direct contact with an infected person or through indirect contact with contaminated surfaces or objects.

Examples:

- Direct contact:
- Influenza: Spread through respiratory droplets from coughing or sneezing
- Measles: Spread through direct contact with respiratory secretions
- Indirect contact:
- Salmonella: Spread through contaminated food or water
- Escherichia coli (E. coli): Spread through contaminated food or water
- Airborne transmission:
- Tuberculosis: Spread through inhalation of aerosolized respiratory droplets
- Chickenpox: Spread through inhalation of airborne virus particles
- Vector-borne transmission:
- Malaria: Transmitted by the bite of an infected mosquito
- Lyme disease: Transmitted by the bite of an infected tick