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Communicable diseases key terms

Study Communicable diseases with curriculum-aligned Key Terms resources, practice links, and exam-focused support.

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key terms

Resource type

Topic

Communicable diseases

AqaGcseBiologyInfection and response

Key terms

  • vaccination

    A process that introduces small quantities of dead or inactive pathogens into the body to stimulate an immune response and prevent illness.

  • immune response

    The reaction of the immune system to pathogens, which includes the production of antibodies and activation of white blood cells to defend against disease.

  • herd immunity

    A form of indirect protection from infectious disease that occurs when a large percentage of a population becomes immune to the infection, thereby reducing its spread.

  • pathogen spread reduction

    The decrease in the transmission of infectious agents within a population, often achieved through vaccination and other public health measures.

  • vaccination

    The process of introducing small quantities of dead or inactive pathogens into the body to stimulate an immune response.

  • pathogen

    In Vaccination, pathogen refers to an organism, such as a bacterium or virus, that can cause disease in a host. This matters in Communicable diseases because it supports the learning objective to explain that vaccination introduces small quantities of dead or inactive pathogen into the body. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.

  • vaccination

    A process that stimulates the immune system to produce antibodies against specific pathogens, allowing for a quicker response upon re-exposure.

  • antibodies

    Proteins produced by white blood cells that identify and neutralize pathogens such as bacteria and viruses.

  • vaccination

    A process that stimulates the immune system to produce antibodies against specific pathogens, enhancing the body's ability to respond to future infections.

  • global vaccination strategies

    Comprehensive plans implemented worldwide to increase vaccination coverage and prevent the spread of communicable diseases.

  • antibiotics

    Medicines used to treat bacterial infections by killing or inhibiting the growth of bacteria.

  • painkillers

    Medicines that alleviate symptoms of disease without targeting the underlying pathogens.

  • antibiotics

    Medicines that help to cure bacterial diseases by killing infective bacteria inside the body.

  • penicillin

    A specific type of antibiotic that is effective in treating bacterial infections by targeting and destroying bacteria.

  • specific antibiotics

    Antibiotics that are effective against particular types of bacteria, ensuring targeted treatment.

  • bacterial infection

    An infection caused by bacteria that can be treated with antibiotics, depending on the specific strain.

  • antibiotics

    Medicines that help to cure bacterial infections by killing or inhibiting the growth of bacteria.

  • infectious bacterial diseases

    Diseases caused by bacteria that can be transmitted from one individual to another, which antibiotics can effectively treat.

  • antibiotic resistance

    The ability of bacteria to survive and grow in the presence of antibiotics that would normally kill them or inhibit their growth.

  • major concern

    A significant issue that poses a threat to public health, particularly in relation to the effectiveness of antibiotics in treating bacterial infections.

  • antibiotics

    Medicines that are used to treat bacterial infections by killing or inhibiting the growth of bacteria.

  • viral pathogens

    Microorganisms that cause disease and infections but cannot be treated with antibiotics.

  • painkillers

    Medicines that alleviate symptoms of disease without eliminating the pathogens causing the illness.

  • symptoms

    Physical or mental features that indicate a condition or disease, which painkillers aim to relieve.

  • drug development

    The process of creating new medications, which involves stages such as discovery, preclinical testing, and clinical trials.

  • viral pathogens

    Microorganisms that cause disease and are specifically targeted by antiviral drugs, which are challenging to develop without harming healthy cells.

  • preclinical testing

    The stage in drug development where new medicines are tested on cells and animals to assess safety and efficacy before human trials.

  • clinical testing

    The phase of drug development that involves testing new medicines on human participants to evaluate their safety, effectiveness, and optimal dosing.

  • traditional drugs

    Medicines that are derived from natural sources such as plants and microorganisms.

  • extraction

    In Discovery and development of drugs, extraction refers to the process of obtaining substances from natural sources for use in drug development. This matters in Communicable diseases because it supports the learning objective to explain that traditional drugs were extracted from plants and microorganisms. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.