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Immunity and infection prevention
How to protect yourself day to day when your defences are low. Choose a topic — each one opens on its own page.
What is immunity?The immune system is a living defence network that protects the body from germs and damaged cells. Leukemia and its…In the article: How does the immune system work?
How does the immune system work?The immune system is a living defence network that protects the body from germs and damaged cells. Leukemia and its…
Organs of the immune systemThe immune system is not a single organ but a network spread throughout the body: from the skin and the body’s…
The lymphatic systemBesides the blood vessels, the body has another network of fine tubes: the lymphatic system. It returns extra fluid…
White blood cells (leukocytes)The immune system is a living defence network that protects the body from germs and damaged cells. Leukemia and its…In the article: How does the immune system work?
NeutrophilsNeutropenia is a fall in the number of neutrophils in the blood — the main defenders against bacteria and fungi. In…In the article: What is neutropenia?
B, T and NK lymphocytesLymphocytes are the “specialists” of the immune system. There are three main families: B cells, which make…
Monocytes and macrophagesThis topic builds on the main article on monocytes and macrophages (“Monocytes and macrophages”) and answers a…
Antigens and antibodiesThe main article (“Antigens and antibodies”) explains what antigens and antibodies are. This topic looks at the…
Immune memoryThe main article (“Immune memory”) explains how immune memory forms. This topic shows what happens to that memory…Also:Immune memory
Innate and adaptive immunityThe main article (“Innate and adaptive immunity”) explains the two “arms” of immunity. This topic goes deeper: which…
Fighting a microbeThe main article (“Fighting a microbe”) explains the body’s usual fight against a microbe. This topic shows how that…Also:Fighting a microbe
How leukemia affects immunityThe main article (“How does the immune system work?”) explains how the immune system works. This topic shows how…
Why the risk of infection risesThe main article (“How does the immune system work?”) explains the immune system. This topic lists the separate…
ImmunosuppressionThe main article (“How does the immune system work?”) explains immunity. This topic looks more deeply at the causes…
What is neutropeniaThe main article (“What is neutropenia?”) explains the blood count. This topic focuses on neutropenia itself: when it…Also:What is neutropenia?
How to read neutrophils and ANCThe main article (“What is neutropenia?”) explains the blood count as a whole. This topic looks closely at one value…
What is an infectionThe main article (“What is an infection?”) is about germs. This topic looks at infection itself: how a germ gets into…
Bacterial infectionsThe main article (“Bacterial infections”) explains bacteria in general. This topic looks more deeply at where…Also:Bacterial infections
Viral infectionsThe main article (“Viral infections”) explains viruses in general. This topic looks more deeply at the viral…Also:Viral infections
Fungal infectionsThe main article (“Fungal infections”) explains fungi in general. This topic looks more deeply at who gets fungal…Also:Fungal infections
First signs of infectionThe main article (“Fever: when to seek urgent care”) explains how infection is recognised in general. This topic…
Fever in a patientThe main article (“Fever: when to seek urgent care”) explains how infection is recognised. This topic is only about…
What is sepsisThe main article (“What is sepsis?”) gives the general idea of sepsis. This topic looks more deeply at sepsis in…Also:What is sepsis?
What to do if you suspect an infectionThe main article (“Fever: when to seek urgent care”) explains how to recognise infection. This topic is a practical…
Preventing infectionThe main article (“Hand hygiene and your home”) gives the basics of protection. This topic brings all the layers of…
Hand and body hygieneThe main article (“Hand hygiene and your home”) gives the basics of protection. This topic takes a practical look at…
Mouth and teethThe main article (“Hand hygiene and your home”) gives the basics of protection. This topic looks closely at the…
Food, water and infectionThe main article (“Food safety”) explains nutrition. This topic is only about food safety: preventing infections…Also:Food safety
Home, hospital and surroundingsThe main article (“Hand hygiene and your home”) gives the basics of protection. This topic looks at the places where…
Contacts, family and crowdsThe main article (“Visitors and public places”) is about contact with people. This topic looks more closely at the…
Animals, plants and soilThe main article (“Hand hygiene and your home”) gives the basics of protection. This topic looks at the particular…
VaccinesThe main article (“Vaccines and treatment”) explains the general principles of vaccination. This topic looks closely…
Recovery of immunityThe main article (“Recovery of immunity”) explains recovery in general. This topic shows the order in which the parts…Also:Recovery of immunity
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