Infectious diseases are diseases caused by living organisms like viruses and bacteria. Described as contagious, they can be passed from person to person through body secretions, insects or other means. Examples are SARS, influenza, the common cold, tuberculosis (TB), Hepatitis A and B.

What are 3 examples of infectious diseases?

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

What are 10 examples of infectious diseases?

• Coronaviruses. ...
• Diphtheria. ...
• Ebola. ...
• Flu (Influenza) ...
• Hepatitis. ...
• Hib Disease. ...
• HIV/AIDS. ...
• HPV (Human Papillomavirus)

What are the 4 types of infectious diseases?

The four different categories of infectious agents are bacteria, viruses, fungi, and parasites.
...
Common Viruses

• Common cold.
• Norovirus.
• Stomach flu.
• Hepatitis.

What is a common infectious disease?

Listed in the directory below are some of these diseases, for which we have provided a brief overview. HIV/AIDS. Chickenpox. Chronic Fatigue Syndrome. Common Cold.

Infectious Diseases - An Introduction

What's the most infectious disease?

Bubonic and Pneumonic Plagues. Perhaps the most notorious of all infectious diseases, the bubonic and pneumonic plagues are believed to be the cause of the Black Death that rampaged through Asia, Europe and Africa in the 14th century killing an estimated 50 million people.

What are the most common infectious diseases?

• Hepatitis B. 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. ...
• Malaria. ...
• Hepatitis C. ...
• Dengue. ...
• Tuberculosis.

What are the 10 common diseases?

• Allergies.
• Colds and Flu.
• Conjunctivitis ("pink eye“)
• Diarrhea.
• Headaches.
• Mononucleosis.
• Stomach Aches.

What are examples of diseases?

Examples are SARS, influenza, the common cold, tuberculosis (TB), Hepatitis A and B. Diseases spread from animals to humans, such as avian influenza, are known as zoonotic diseases.

What are the 10 most common diseases?

1. Heart disease. Number of deaths per year: 635,260. ...
2. Cancer. Number of deaths per year: 598,038. ...
3. Accidents (unintentional injuries) Number of deaths per year: 161,374. ...
4. Chronic lower respiratory diseases. Number of deaths per year: 154,596. ...
5. Stroke. ...
6. Alzheimer's disease. ...
7. Diabetes. ...
8. Influenza and pneumonia.

Is a virus an infectious disease?

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

What are 5 non infectious diseases?

The four main types of noncommunicable diseases include cardiovascular disease, cancer, chronic respiratory disease, and diabetes.
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Chronic respiratory disease

• chronic obstructive pulmonary disease (COPD)
• asthma.
• occupational lung diseases, such as black lung.
• pulmonary hypertension.
• cystic fibrosis.

What is an infectious disease Class 9?

Infectious diseases are the diseases of microbial pathogens, namely viruses, bacteria, fungi, and parasites. These may be transmittable or non-communicable. They may be spread by plants, humans, or insects.

Are all infectious diseases are contagious?

Some — but not all — infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious. Some infections spread to people from an animal or insect, but are not contagious from another human.

Which is not an infectious disease?

Non-infectious diseases are not caused by pathogens and therefore cannot be spread from one person to another. Instead, non-infectious diseases are caused by factors such as genetics, malnutrition, environment and lifestyle. Examples of non-infectious diseases include cancer, Alzheimer's disease and epilepsy.

What are the most common infectious diseases in the United States today?

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 is the most common infectious disease in childhood?

• Common Cold. It's not surprising that the common cold is one of the most common childhood illnesses. ...
• Ear Infections. Ear infections are some of the most common childhood illnesses. ...
• Influenza. ...
• Bronchitis. ...
• RSV. ...
• Hand, Foot, and Mouth Disease. ...
• Gastroenteritis. ...
• Sinusitis.

What are the 14 serious childhood diseases?

• #1. Polio. Polio is a crippling and potentially deadly infectious disease that is caused by poliovirus. ...
• #2. Tetanus. ...
• #3. The Flu (Influenza) ...
• #4. Hepatitis B. ...
• #5. Hepatitis A. ...
• #6. Rubella. ...
• #7. Hib. ...
• #8. Measles.

What is an infectious disease Class 5?

Infectious diseases are commonly transmitted through direct person-to-person contact. Transmission occurs when an infected person touches or exchanges body fluids with someone else. This can happen before an infected person is aware of the illness.

What is infectious disease Class 12?

Infectious or communicable diseases are those that have a high risk of transfer from an infected or ill person to a healthy person. Infectious diseases are mainly caused by pathogens. Pathogens are microbes that live inside the human body making it as host and derive their nutrition from the body.

What are infectious or communicable diseases?

Overview. Communicable, or infectious diseases, are caused by microorganisms such as bacteria, viruses, parasites and fungi that can be spread, directly or indirectly, from one person to another. Some are transmitted through bites from insects while others are caused by ingesting contaminated food or water.

What are the top 10 non-communicable disease?

• Alzheimer's Disease.
• Cancer.
• Epilepsy.
• Osteoarthritis.
• Osteoporosis.
• Cerebrovascular Disease (Stroke)
• Chronic Obstructive Pulmonary Disease (COPD)
• Coronary Artery Disease.

Which of the following is an example of an infectious disease that is not communicable disease?

A non-communicable disease (NCD) is a disease that is not transmissible directly from one person to another. NCDs include Parkinson's disease, autoimmune diseases, strokes, most heart diseases, most cancers, diabetes, chronic kidney disease, osteoarthritis, osteoporosis, Alzheimer's disease, cataracts, and others.

Is asthma a non-communicable disease?

Asthma is a major noncommunicable disease (NCD), affecting both children and adults.