Which is the most common bacterial disease in humans?

Which is the most common bacterial disease in humans?

Bubonic Plague. Caused by the bacterium Yersinia pestis, bubonic plague is considered to be the most common type of plague. This bacterial disease is usually characterized by the swelling of lymph nodes (called buboes) in the groin and armpits. The bacterium is usually transmitted by the infected flea.

Why do so many people get sick from bacteria?

However, it is trivial compared with the number of people who will suffer some form of illness or other caused by bacteria – though they are not killed by it. Bacterial and other infectious diseases are far more significant in third world countries. A direct result of poverty reducing sanitary practices, medical care and awareness.

What kind of bacteria causes pneumonia in humans?

Pneumonia is caused by bacteria called Streptococcus Pneumonia. It is found in the respiratory tract and though it causes infection in the lungs, it doesn’t cause infection to healthy individuals. The infection usually starts when the bacteria are inhaled and reproduces themselves at a rapid rate in the lungs.

How are bacterial and viral infections related to each other?

Things to remember 1 Many human illnesses are caused by infection with either bacteria or viruses. 2 Most bacterial diseases can be treated with antibiotics, although antibiotic-resistant strains are starting to emerge. 3 Viruses pose a challenge to the body’s immune system because they hide inside cells.

What are two types of bacteria that causes a disease?

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.

What are some diseases that are caused by bacteria?

The most common diseases caused by bacteria include meningitis, gastritis, sexually transmitted diseases, skin infections, boils, among others.

What are the microbes that cause diseases?

Microbes and Diseases Viruses. Viruses can be seen only through an electron microscope. They are inactive outside a living cell. Bacteria. Not all bacteria cause diseases. Fungi. Fungi can grow in damp, moist areas on the body and lead to infections such as athlete’s foot, ringworm, etc. Protozoa. Protozoans such as amoeba cause diseases such as amoebic dysentery.

What is the most dangerous bacterial infection?

Top among the most dangerous germs is E.Coli. Though not famous, it is a common bacterium that affects humans. The bacteria is a common inhabitant of human body in the intestines.