What are the 4 modes of transmission for infectious diseases?
The modes (means) of transmission are: Contact (direct and/or indirect), Droplet, Airborne, Vector and Common Vehicle. The portal of entry is the means by which the infectious microorganisms gains access into the new host. This can occur, for example, through ingestion, breathing, or skin puncture.
How are communicable diseases spread from one person to another?
Summary. A communicable disease is a disease that spreads from one person or animal to another. Pathogens such as viruses, bacteria, and fungi cause these diseases. This article will discuss what communicable diseases are, their symptoms, and how to avoid them.
Which is an example of how infectious diseases are spread?
Infections may be spread indirectly when the skin comes in contact with a contaminated object. Examples of diseases spread this way: ringworm. Sexually transmitted infections (STIs) are most commonly transmitted by sexual contact.
How are germs spread from person to person?
TB. Some germs can be spread by both droplets and aerosols eg, the flu. Some infections are spread when tiny amounts of faeces (poo) from an infected person are taken in by another person by their mouth. The germs may be passed directly from infected hands to the mouth or indirectly through objects, surfaces, food or water contaminated with poo.
How are STIs spread from person to person?
Sexually transmitted infections (STIs) are most commonly transmitted by sexual contact. This means through vaginal, anal or oral sex. Examples of sexually transmitted infections are: syphilis. Some diseases are not passed on from person to person, but through contact with other environmental sources such as food, water, animals or soil.
What is the most common communicable disease?
Most common communicable diseases and their cure: The most common disease communicable that have feared the world are AIDS (Acquired Immune Deficiency Syndrome) and hepatitis. AIDS is caused by a virus known as the retrovirus ; it is a slow virus because it affects the host body slowly.
What is the most communicable disease in the US?
The top five most contagious infectious diseases include respiratory tract infections such as bronchitis and pneumonia, HIV/AIDS, diarrheal diseases, tuberculosis and malaria. Respiratory tract infections, especially lower respiratory infections such as bronchitis and pneumonia are considered the most contagious and deadly.
How do you prevent communicable diseases?
A number of rather common communicable diseases can be prevented using vaccinations, usually during childhood. The flu shot can prevent people from getting the virus. People with a contagious illness should stay home from work. Washing hands after using the bathroom and before meals is essential to preventing the spread of diseases.
What are the types of communicable diseases?
Communicable diseases causes and symptoms. Communicable diseases include cold, hepatitis, pertussis, conjunctivitis and HIV/AIDS. These diseases can be transmitted from one person to another. It is caused by pathogens.