Vaccine

A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe. The agent stimulates the body's immune system to recognize the agent as foreign, destroy it, and "remember" it, so that the immune system can more easily recognize and destroy any of these microorganisms that it later encounters.

What are Vaccines?

There are several diseases like Diphtheria, whooping cough (pertussis), measles, mumps, Yellow fever, small pox and German measles (rubella) that are unfamiliar to many these days.

How Veterinary Vaccines Affect Human Health

What is a Toxoid Vaccine?

What is an Inactivated Vaccine?

What is Immunobridging?

Investigating the Importance of Investing in Vaccine Manufacturing

Vaccine Production

Could there be a Salmonella Vaccine?

Vaccine History

Vaccine Immunity

What is a Subunit Vaccine?

The Future of Vaccines

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The Essential Program on Immunization is 50: Milestones, achievements, and future directions

What is a Non-Replicating Vaccine?

Role of Computer Modeling in Vaccine Development

Transforming Vaccine Design: The Promise of Systems Biology

How are Vaccines Stored?

What is an RNA Vaccine?

What are Adenovirus-Based Vaccines?

Vaccine Effectiveness

Hib Immunization

What is the Importance of Vaccination Coverage?

What the Newest mRNA Vaccines Could Do Beyond COVID

What is a Vaccine Breakthrough?

A New Breed of Vaccine: Exploring Doggybone ™ DNA Technology

The Big Catch-Up: How the COVID-19 pandemic impacted vaccination coverage

Insight into Personalized Vaccines

What is a VLP Vaccine?

What are the Different Types of Vaccines?

Vaccination in Humanitarian Settings

Plant-Derived Vaccines

What are the Main Causes of Vaccine Hesitancy?

Immunization strategies: What lessons can we learn from successful campaigns?

What is a DNA Vaccine?

History of Vaccination

Vaccine Delivery

Vaccine Excipients

What is a Live-Attenuated Vaccine?

What are Nanoparticle-Based Vaccines?

Vaccine Schedule

Latest Vaccine News and Research

Mapping the T cell response to Chikungunya virus

A new study, published recently in Nature Communications, offers the first-ever map of which parts of Chikungunya virus trigger the strongest response from the body's T cells.

3 Jul 2025

KFF Health News' 'What the Health?': Trump’s bill reaches the finish line

Early Thursday afternoon, the House approved a budget reconciliation bill that not only would make permanent many of President Donald Trump's 2017 tax cuts, but also impose deep cuts to Medicaid, the Affordable Care Act, and, indirectly, Medicare.

3 Jul 2025

Canada faces growing threat from communicable diseases and misinformation

Canada must address the growing crisis of communicable diseases that has occurred in tandem with a rise in misinformation that threatens our health systems, argue authors in an editorial in CMAJ.

3 Jul 2025

Survey: Many adults unaware of key facts that can help prevent SIDS

Sudden infant death syndrome (SIDS) is the unexpected, unexplained, sudden death of a child younger than one year old.

3 Jul 2025

Community vaccination program reduces pneumonia deaths among elderly in Japan

A research team has evaluated the real-world impact of a community-based pneumococcal vaccination support program for older adults conducted in Sera Town, Hiroshima Prefecture, Japan.

3 Jul 2025

Confusion persists over breast cancer screening guidelines

Mammograms can find cancer early before symptoms appear. Regular screening decreases the risk of dying from breast cancer.

3 Jul 2025

Mature dendritic cell vesicles enhance influenza vaccine effectiveness

Influenza hemagglutinin subunit vaccines are more effective and offer better cross protection against various influenza virus challenges when combined with a mucosal adjuvant that enhances the body's immune response, according to a study by researchers in the Institute for Biomedical Sciences at Georgia State University.

2 Jul 2025

As mosquito season peaks, officials brace for new normal of dengue cases

As summer ushers in peak mosquito season, health and vector control officials are bracing for the possibility of another year of historic rates of dengue.

2 Jul 2025

How underreporting masks the real impact of RSV in older populations

Research shows RSV leads to high hospitalization rates in adults, emphasizing the importance of enhanced surveillance and diagnostic measures in healthcare.

1 Jul 2025

Shingles and RSV vaccines with AS01 adjuvant reduce dementia risk

Researchers found that older adults who received AS01-adjuvanted shingles or RSV vaccines had a significantly lower risk of developing dementia within 18 months compared to flu vaccine recipients. The protective effect is likely linked to the AS01 adjuvant itself, highlighting new avenues for dementia prevention.

30 Jun 2025

GATE complex discovery sheds light on CMV's evasion of immune defenses

New research from the University of Pittsburgh School of Medicine and La Jolla Institute for Immunology, published today in Nature Microbiology, reveals an opportunity for developing a therapy against cytomegalovirus (CMV), the leading infectious cause of birth defects in the United States.

30 Jun 2025

A Texas boy needed protection from measles. The vaccine cost $1,400.

In the early days of the West Texas measles outbreak, Thang Nguyen eyed the rising number of cases and worried. His 4-year-old son was at risk because he had received only the first of the vaccine's two doses.

30 Jun 2025

Kennedy’s vaccine advisers sow doubts as scientists protest US pivot on shots

As fired and retired scientists rallied outside in the Atlanta heat, an advisory panel that Robert F. Kennedy Jr. handpicked to replace experts he'd fired earlier met inside the Centers for Disease Control and Prevention's headquarters to plan a more skeptical vaccine future.

27 Jun 2025

New U.S. poll shows strong backing for routine childhood vaccines

In the midst of a multi-state measles outbreak, a new poll by Harvard T.H. Chan School of Public Health and the de Beaumont Foundation finds that most U.S. adults (79%) say parents should be required to have children vaccinated against preventable diseases like measles, mumps, and rubella to attend school.

26 Jun 2025

Updated COVID-19 vaccines found effective against severe illness

A new multi-state study led by the Centers for Disease Control and Prevention's (CDC) VISION Network – including Regenstrief Institute – has provided the most comprehensive assessment to date of the effectiveness of 2023-2024 COVID-19 vaccines among adults in the U.S. during the XBB and JN.1 Omicron subvariant waves.

25 Jun 2025

Missing gut bacteria in US babies triples allergy and eczema risk

US infants lacking Bifidobacterium in their gut microbiome face significant changes in microbial composition, metabolic function, and immune-related health risks. This large, nationally representative study links early-life Bifidobacterium deficits to a three-fold increase in eczema, allergy, or asthma by age two.

25 Jun 2025