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multiple bacteria Bacterial meningitis: Lumbar puncture (contraindicated if there is a mass in the brain or the intracranial pressure is elevated), CT or MRI Antibiotics No multiple bacteria Bacterial pneumonia: Sputum Gram stain and culture, Chest radiography Antibiotics No List of bacterial vaginosis microbiota: Bacterial vaginosis
Structural model at atomic resolution of bacteriophage T4 [1] The structure of a typical myovirus bacteriophage Anatomy and infection cycle of bacteriophage T4.. A bacteriophage (/ b æ k ˈ t ɪər i oʊ f eɪ dʒ /), also known informally as a phage (/ ˈ f eɪ dʒ /), is a virus that infects and replicates within bacteria and archaea.
A human pathogen is a pathogen (microbe or microorganism such as a virus, bacterium, prion, or fungus) that causes disease in humans.. The human physiological defense against common pathogens (such as Pneumocystis) is mainly the responsibility of the immune system with help by some of the body's normal microbiota.
Examples of vertical transmission include hepatitis B virus and HIV, where the baby is born already infected with the virus. [116] Another, more rare, example is the varicella zoster virus, which, although causing relatively mild infections in children and adults, can be fatal to the foetus and newborn baby. [117]
Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye. They’re everywhere. And both can make us sick, even kill us.
All viruses are obligate intracellular parasites. Bacterial examples (that affect humans) include: Chlamydia, and closely related species. [14] Rickettsia; Coxiella; Certain species of Mycobacterium such as Mycobacterium leprae, that survive in phagocytes; Anaplasma phagocytophilum [b] [15] Protozoan examples (that affect humans) include:
Bacterial throat pain is often characterized by more pain on one side of the throat. An ear infection is more likely to be diagnosed as bacterial if the pain occurs in only one ear. [11] A cut that produces pus and milky-colored liquid is most likely infected. [13] Cause: Pathogenic viruses: Pathogenic bacteria
See also Comparison of computer viruses. This is an alphabetical list of genera of biological viruses. It includes all genera and subgenera of viruses listed by the International Committee on Taxonomy of Viruses (ICTV) 2022 release. [1] For a list of virus families and subfamilies, see List of virus families and subfamilies.