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The classic symptoms of a bacterial infection are localized redness, heat, swelling and pain. One of the hallmarks of a bacterial infection is local pain, pain that is in a specific part of the body. For example, if a cut occurs and is infected with bacteria, pain occurs at the site of the infection.
Coxsackie B virus: Coxsackie B virus infection Enterovirus infection is diagnosed mainly via serological tests such as ELISA and from cell culture. There is no well-accepted treatment for the Coxsackie B group of viruses. Under research [10] PRNP: Creutzfeldt–Jakob disease (CJD) No Crimean-Congo hemorrhagic fever virus Crimean-Congo ...
Bacteria that have infected the body at these sites may then spread into the lymphatic system and gain access to the bloodstream, where further spread can occur. [39] Bacteremia may also be defined by the timing of bacteria presence in the bloodstream: transient, intermittent, or persistent.
Pneumonia is usually caused by infection with viruses or bacteria, and less commonly by other microorganisms. [a] Identifying the responsible pathogen can be difficult. Diagnosis is often based on symptoms and physical examination. [8] Chest X-rays, blood tests, and culture of the sputum may help confirm the diagnosis. [8]
Viremia is a medical condition where viruses enter the bloodstream and hence have access to the rest of the body. It is similar to bacteremia, a condition where bacteria enter the bloodstream. [1] The name comes from combining the word "virus" with the Greek word for "blood" (haima). It usually lasts for 4 to 5 days in the primary condition.
Hepatitis viruses can develop into a chronic viral infection that leads to liver cancer. [143] [144] Infection by human T-lymphotropic virus can lead to tropical spastic paraparesis and adult T-cell leukaemia. [145] Human papillomaviruses are an established cause of cancers of cervix, skin, anus, and penis. [146]
In bacterial infections, early depletion of macrophages during influenza creates a favorable environment in the lungs for bacterial growth since these white blood cells are important in responding to bacterial infection. Host mechanisms to encourage tissue repair may inadvertently allow bacterial infection.
Some common infectious diseases are influenza, COVID-19, ebola, hepatitis, HIV/AIDS, Human papillomavirus infection, Polio, and Zika virus. [4] A disease is often known to be contagious before medical science discovers its causative agent.