Common Contagious Diseases

Often, you might have heard about a disease being contagious. What are contagious diseases? Briefly, contagious diseases may be described as the diseases which may be transmitted from one individual to another by coming in contact with the bodily secretions of an infected person or through direct physical contact. Besides, some health conditions need a special mode of transmission between an infected person and another.

Types of Contagious Diseases:

Infectious or contagious diseases may be classified based on their modes of transmission. Following are various types of infectious or contagious diseases:

  • Sexually Transmitted Diseases:

    These may spread by direct contact between the two people. These can be transmitted from the mother to the child. For instance, HIV/AIDS is one such disease.

  • Diseases Spread via Direct Contact:

    Some air borne diseases are spread by the droplets which are sprayed into the air when an infected person coughs or sneezes. Most respiratory diseases are spread in this way. For instance, whooping cough, scarlet fever, measles, croup, diphtheria, bronchitis and tuberculosis. Contagious skin disorders are spread through the direct contact as well.

  • Diseases Spread through Pathogens and Insect Vectors:

    Most contagious diseases are spread by the pathogens and insect vectors found in a specific area. Yellow fever, tetanus,typhus, plague, meningitis and malaria are some examples. Often, these conditions are found in sub tropical and tropical regions.

  • Diseases Spread through Fecal-Oral Route:

    Consumption of contaminated water or food result in spread of some contagious diseases. These conditions change to pandemics if contamination takes place in large scales. Cholera, diarrhea and certain gastroenteritis are the examples.

Common Contagious Diseases:

Following are some of the common contagious diseases:

Deadly Contagious Diseases:

The following is a list of communicable diseases or deadly contagious diseases:

  • Hepatitis B
  • Meningitis
  • Tetanus
  • Whooping cough
  • Measles
  • Malaria
  • Tuberculosis
  • HIV/AIDS
  • Lower respiratory infectious diseases

Contagious Diseases:

The following is a list of highly contagious diseases:

  • Whooping cough
  • Viral laryngitis
  • Viral gastroenteritis
  • Vaginitis
  • Tuberculosis
  • Trichomoniasis
  • Tonsillitis
  • Syphilis
  • Swine flu
  • Strep throat
  • Smallpox
  • Shigellosis
  • Scarlet fever
  • Scabies
  • Rubella
  • Roseola infantum
  • Ringworm
  • Polio
  • Plantar warts
  • Pelvic inflammatory disease
  • Nongonococcal urethritis
  • Nail fungus
  • Mumps
  • MRSA staph infection
  • Infectious mononucleosis
  • Molluscum contagiosum
  • Meningococcemia
  • Measles
  • Leptospirosis
  • Leprosy
  • Impetigo
  • HPV
  • HIV/AIDS
  • Herpes
  • Hepatitis
  • Gonorrhea
  • Giardiasis
  • Fungal skin infections
  • Influenza (Flu)
  • Epstein Barr virus
  • Encephalitis
  • Diphtheria
  • Cryptosporidiosis
  • Croup
  • Crabs
  • Conjunctivitis
  • Common cold
  • Chlamydia
  • Chicken pox
  • Chancroid
  • Bacterial meningitis
  • Athlete’s foot

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