What are three diseases caused by bacteria?
Other serious bacterial diseases include cholera, diphtheria, bacterial meningitis, tetanus, Lyme disease, gonorrhea, and syphilis.
Are diseases caused by viruses?
The most common diseases caused by viruses include ebola, influenza, yellow fever, human immunodeficiency virus (HIV / AIDS), human papillomavirus (HPV), viral gastroenteritis, varicella, and viral hepatitis, among others. To diseases caused by viruses, they are known as diseases or viral infections.
Which is the most common virus in humans?
These include: Viral Diseases in Humans Virus Common cold Rhinovirus Smallpox Variola virus Rabies Rabies lyssavirus Hepatitis Hepatitis A virus, hepatitis B virus, He
What are the symptoms of a common virus?
It usually affects the respiratory tract, and is often mistaken for a cold during the first stage of development. The most common symptoms of this disease are headache, fever, malaise, body weakness, dry cough, vomiting, diarrhea and sore throat.
What causes a virus to enter the human body?
Viral diseases are mainly caused when a virus enters the human body and uses the host machinery to reproduce. If the body’s immune system fails to fight against viruses, it multiplies and spreads to other cells causing infections. Following are the important symptoms of viral diseases:
What are 3 viral diseases?
List of nine important viral diseases seen in humans: 1. Chickenpox 2. Smallpox 3. Poliomyelitis 4. Measles 5. Mumps 6. Rabies 7. Trachoma 8. Influenza 9. Hepatitis .
What organisms cause the three diseases?
Infectious diseases can be caused by: 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. Many skin diseases, such as ringworm and athlete’s foot, are caused by fungi. Parasites.
Which disease is not caused by virus?
Other infectious diseases not caused by virus are – Bacterial infections very common,protozoal infections causing malaria ,kala Azar ,fungal infections also infect skin and inner organs of body.
Is a disease and a virus the same thing?
To diseases caused by viruses, they are known as diseases or viral infections. These are caused by infectious agents that live and propagate into living cell units. Flu virus. These infectious agents are known as viruses. A virus can be defined as a microscopic pathogen, much smaller than most bacteria (Mandal, 2013).