How Many Types Of Communicable Diseases Are There?

What are the 5 stages of communicable diseases?

The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 2).

The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient)..

What are communicable diseases Class 9?

Communicable diseases are an infectious disease, which spread from a person to person and are caused by the pathogens. Tuberculosis, typhoid, scabies, plague, skin allergies are are some examples of communicable diseases.

What is the most common communicable disease?

The 5 Most Common Infectious DiseasesHepatitis 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 is the most rare disease?

5 of the World’s Most Ultra-Rare DiseasesRPI deficiency.Fields Condition. … Kuru. … Methemoglobinemia. … Hutchinson-Gilford Progeria. More often referred to as Progeria, this disease affects about one in every 8 million children and, due to a genetic mutation, causes the appearance of rapid aging beginning in early childhood. …

What are the top 5 common viral infections?

Other common viral diseases include:Chickenpox.Flu (influenza)Herpes.Human immunodeficiency virus (HIV/AIDS)Human papillomavirus (HPV)Infectious mononucleosis.Mumps, measles and rubella.Shingles.More items…

How can you prevent communicable diseases?

Preventing the Spread of Infectious DiseasesWash your hands often. … Get vaccinated. … Use antibiotics sensibly. … Stay at home if you have signs and symptoms of an infection. … Be smart about food preparation. … Disinfect the ‘hot zones’ in your residence. … Practice safer sex. … Don’t share personal items.More items…

What stage of infection is most communicable?

In some cases, a person is contagious during the incubation period, while in others the person is not contagious until the illness begins. The amount of time a child remains contagious depends on the infection and the child. Young children are often contagious for longer than older children.

What are communicable diseases Ncert?

1.3 communIcable dIseases These diseases are caused by certain infectious agents which may be bacteria or viruses. These are capable of being transmitted from person to person or from the environment to person.

What are non communicable diseases give examples Class 9?

Non-communicable Disease Examples include cancer, diabetes, and hypertension. There are various disease-causing agents ranging from bacteria and viruses to protozoa and worms. These are collectively known as pathogens. These agents enter the body directly or through some vector/agents like mosquitoes.

Who is at risk of communicable diseases?

Key risk factors include crowded conditions, forced displacement, poor quality shelter, poor water, sanitation and hygiene, lack of healthcare facilities and lack of adequate surveillance.

What are the 4 types of communicable diseases?

Communicable diseasesInfluenza. Norovirus. Mumps. Tuberculosis.Pertussis. Zika virus. West Nile virus.Ebola. Chikungunya virus. Coronavirus (COVID-19)

Which is not a 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.

Which of the following is not communicable disease?

Diseases such as heart disease, cancer and diabetes mellitus, which are not caused by infectious agents and are not transmitted between people, are called non-communicable diseases.

What are the communicable diseases and their causes?

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 10 non communicable diseases?

Noncommunicable diseases kill around 40 million people each year. This is about 70 percent of all deaths worldwide….Chronic respiratory diseasechronic obstructive pulmonary disease (COPD)asthma.occupational lung diseases, such as black lung.pulmonary hypertension.cystic fibrosis.

What are three communicable diseases?

Some examples of reportable communicable disease include HIV, hepatitis A, B and C, measles, salmonella, measles, and blood-borne illnesses. Most common forms of spread include fecal-oral, food, sexual intercourse, insect bites, contact with contaminated fomites, droplets, or skin contact.

What are communicable diseases?

Communicable diseases, also known as infectious diseases or transmissible diseases, are illnesses that result from the infection, presence and growth of pathogenic (capable of causing disease) biologic agents in an individual human or other animal host.