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Related Concept Videos

Vaccinations01:51

Vaccinations

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Overview
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Active versus Passive Immunity01:31

Active versus Passive Immunity

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Immunity, along with the ability to limit pathogen growth to prevent significant body tissue damage, can be gained either by (1) actively developing an immune response within the individual after exposure to a pathogen or after getting vaccinated or (2) passively transferring immune components from an immune individual to one who is nonimmune. Both these forms of immunity can be found naturally and in medical practices.
Active Immunity
Active immunity refers to the resistance one develops...
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Immunological Memory01:23

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Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
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Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

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The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
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Cancer Vaccines01:30

Cancer Vaccines

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
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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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Author Spotlight: Studying Host-Virus Interactions with Pseudotyped Viruses
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Vaccines, Herd Immunity, and COVID-19.

Linda Washington-Brown1, Rose Wimbish-Tompkins2

  • 1President and Director of Xspurt Provider Services, a telehealth healthcare service. Since 1999, Dr. Washington-Brown is the retired founding Associate Dean for the RN to BSN Program at Broward College.

The ABNF Journal : Official Journal of the Association of Black Nursing Faculty in Higher Education, Inc
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PubMed
Summary

Vaccines are crucial for national health, eradicating diseases and protecting communities. Widespread vaccination, including for COVID-19, establishes herd immunity, safeguarding even the unvaccinated from severe illness.

Keywords:
COVID-19Herd ImmunityVaccines

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Area of Science:

  • Public Health
  • Immunology
  • Epidemiology

Background:

  • Vaccines have historically eradicated infectious diseases in America.
  • Vaccination is vital for national safety and public welfare.
  • Herd immunity protects vulnerable populations by reducing disease transmission.

Purpose of the Study:

  • To highlight the significance of vaccines in disease prevention.
  • To explain the mechanism and benefits of herd immunity.
  • To emphasize the role of widespread vaccination in controlling transmissible diseases like COVID-19.

Main Methods:

  • This study is a review of existing literature on vaccine efficacy and public health impact.
  • Analysis of historical data on vaccine-preventable diseases.
  • Examination of epidemiological principles related to herd immunity.

Main Results:

  • Vaccines have led to the eradication of several transmissible infections.
  • Vaccination significantly reduces the incidence of vaccine-preventable diseases across all age groups.
  • Achieving high vaccination rates promotes herd immunity, slowing disease spread.

Conclusions:

  • Vaccines are essential tools for maintaining public health and national safety.
  • Widespread vaccination against diseases like COVID-19 is critical for achieving community immunity.
  • Herd immunity provides indirect protection to unvaccinated individuals, reducing overall disease burden.