What are the top 3 infectious diseases?

What are the top 3 infectious diseases?

Viral hepatitis, influenza, and tuberculosis (TB) remain among the leading causes of illness and death in the United States and account for substantial spending on the related consequences of infection.

What are general infectious diseases?

Infectious diseases are caused by organisms, such as bacteria, viruses, parasites, or fungi. They can be spread directly from one person to another, or by an animal or insect bite. Often, these organisms live in or on our bodies without causing disease.

What are the 5 infectious diseases?

Infectious diseases can be any of the following:

• Chickenpox.
• Common cold.
• Diphtheria.
• E. coli.
• Giardiasis.
• HIV/AIDS.
• Infectious mononucleosis.
• Influenza (flu)

What is the most common infectious disease in humans?

According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.

What is the most common infectious disease?

What is the most common virus?

The most common type of viral disease is the common cold, which is caused by a viral infection of the upper respiratory tract (nose and throat). Other common viral diseases include: Chickenpox. Flu (influenza)…Types of viruses

• Varicella zoster virus causes shingles and chickenpox.
• West Nile virus causes West Nile fever.

What are the seven killer diseases?

Read on to see the top 10 diseases causing the most deaths worldwide, according to the World Health Organization (WHO) .

1. Ischemic heart disease, or coronary artery disease.
2. Stroke.
3. Lower respiratory infections.
4. Chronic obstructive pulmonary disease.
5. Trachea, bronchus, and lung cancers.
6. Diabetes mellitus.

Why am I being referred to an infectious disease doctor?

Your doctor may refer you to an infectious disease specialist if the infection is difficult to diagnose, accompanied by a high fever or does not respond to treatment.

What are the six major causes of infectious diseases?

Causes

• Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
• Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
• Fungi.
• Parasites.