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Related Concept Videos

Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
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Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

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Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
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Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

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Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
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Infection01:20

Infection

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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
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Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

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Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies.
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Relative Risk01:12

Relative Risk

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Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
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Updated: Jul 14, 2025

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2
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Comprehensive Risk Assessment of Infection Induced by SARS-CoV-2.

K B Megha1, S Reshma1, S Amir1

  • 1Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum, Kerala, 695 012, India.

Molecular Neurobiology
|October 10, 2023
PubMed
Summary
This summary is machine-generated.

This study examines the long-term health effects of COVID-19 (coronavirus disease 2019), focusing on post-infection complications and immune responses. Understanding these sequelae is crucial for managing patient recovery and improving quality of life.

Keywords:
COVID-19 recoveryLong COVIDPost-COVID complicationsPost-COVID immunitySARS-CoV-2

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Area of Science:

  • Infectious Diseases
  • Immunology
  • Public Health

Background:

  • COVID-19 (coronavirus disease 2019), caused by SARS-CoV-2, led to a global health crisis with significant mortality.
  • The pandemic's impact includes a surge in patients, economic disruption, and the emergence of new variants.
  • While vaccines and measures control severity, understanding long-term health consequences is vital.

Purpose of the Study:

  • To provide an overview of host-pathogen interactions in COVID-19.
  • To analyze immune responses, organ targeting, and complications post-infection.
  • To compare immunity in recovered versus non-infected individuals and identify post-COVID-19 health issues.

Main Methods:

  • Review of host-pathogen interactions.
  • Analysis of immune responses and clinical manifestations.
  • Comparison of immune status in convalescent and non-infected populations.

Main Results:

  • COVID-19 affects multiple organs, leading to diverse clinical manifestations.
  • Post-COVID-19 sequelae can persist for weeks to months, posing risks, especially for those with pre-existing conditions.
  • Immunity in recovered individuals requires further comparison with non-infected cohorts.

Conclusions:

  • Identifying and managing post-COVID-19 health issues is essential for patient well-being.
  • A multi-disciplinary approach is necessary for long-term care, including rehabilitation and clinical management strategies.
  • Further research into long-term immunity and complications is critical for public health strategies.