Immunization News and Research

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Digital marketing threatens breastfeeding rates in the Americas

Ahead of World Breastfeeding Week (1-7 August), the Pan American Health Organization (PAHO) is calling on countries across the Americas to strengthen protections for families against the growing digital marketing of breast-milk substitutes and other products that may undermine breastfeeding.

31 Jul 2026

Survey finds widespread uncertainty over pregnancy vaccine recommendations

Most Americans are unaware or unsure of which vaccines the Centers for Disease Control and Prevention (CDC) recommends during pregnancy, according to a nationally representative survey of U.S. adults by the Annenberg Public Policy Center (APPC) of the University of Pennsylvania.

22 Jul 2026

Political polarization drives surge in anti-vaccine legislation across the US

Despite overwhelming evidence on the safety and efficacy of COVID-19 vaccines, vaccine hesitancy intensified during the COVID-19 pandemic and has fueled skepticism towards other life-saving vaccines for children, adults, and pets.

17 Jul 2026

Global child immunization rates stall despite minor pandemic recovery

In 2025, 90% of infants globally – or nearly 116 million – received at least one dose of a diphtheria, tetanus and pertussis (DTP) vaccine, and 85% – or 110 million – completed the full three-dose series, according to the annual WHO-UNICEF Estimates of National Immunization Coverage (WUENIC) released today.

15 Jul 2026

India's childhood immunization program reduced deaths while reshaping educational outcomes

Each year, approximately 700,000 children worldwide die from diseases that vaccines could have prevented, nearly all of them in low- and middle-income countries.

14 Jul 2026

Azenta announces completion of B Medical Systems sale to Thelema S.a r.l; Whitestone Group acquires a 40% Stake in Thelema S.a r.l, a Special Purpose Vehicle (SPV) established for the ownership of B Medical Systems

Azenta, Inc. today announced that it has closed its previously announced sale of B Medical Systems S.á r.l (BMS) to Thelema S.a r l.

From B Medical Systems S.à r.l 10 Jul 2026

New HIV vaccine successfully generates broadly neutralizing antibodies in primates

A new HIV vaccine developed by La Jolla Institute for Immunology (LJI), Scripps Research scientists, and IAVI has the potential to protect humans from developing HIV infection and AIDS.

6 Jul 2026

Memory B cells reveal how nasal vaccines could stop respiratory infections earlier

A Science Immunology Review explains how memory B cells acquire diverse molecular, epigenetic, and tissue-specific programs that shape long-term immune protection. It highlights lung-resident memory B cells as a key target for mucosal vaccines, potentially improving control of airborne infections and reducing transmission.

6 Jul 2026

Review highlights strong safety and effectiveness of mRNA vaccines

A comprehensive new review published in The Lancet affirms that currently approved mRNA vaccines are safe and highly effective at preventing infectious diseases, including COVID-19.

30 Jun 2026

High HPV vaccine uptake cuts cervical cancer deaths in women

A national HPV vaccination program in England is associated with a dramatic decline in cervical cancer deaths, reinforcing the vaccine's life-saving potential.

30 Jun 2026

US study shows updated COVID vaccines cut hospitalization odds by 55%

The 2025-2026 COVID-19 vaccines were associated with 50% estimated effectiveness against COVID-19-associated emergency department and urgent care encounters among immunocompetent US adults. They were also linked to an estimated 55% effectiveness against COVID-19-associated hospitalization, providing added protection beyond existing immunity from prior infection or vaccination.

24 Jun 2026

FairJourney Bio and AbTherx partner to offer fully integrated antibody discovery

FairJourney Bio (“FJBio”), a global antibody discovery expert, has entered a partnership with AbTherx, Inc. to bring transgenic mouse-based antibody discovery in-house. The agreement gives the Company access to AbTherx’s Atlas™ Full Human Diversity (FHD) and Common Light Chain (cLC) mouse technologies, completing a discovery route that partners can now run end to end entirely within FJBio’s integrated workflow.

From FairJourney Biologics S.A. 24 Jun 2026

Targeted vaccination strategies strengthen global biosecurity and biosafety

Biosafety prevents biohazard risks to humans and the environment, biosecurity protects biological assets from misuse, and One Health is an interdisciplinary framework uniting human, animal, and environmental health—all core to global health protection.

17 Jun 2026

Maternal RSV vaccine shows 68% protection against infant RSV hospitalization

In a test-negative case-control study of 274 hospitalized infants aged 90 days or younger, maternal RSVpreF vaccination was associated with 67.6% effectiveness against RSV-associated acute respiratory illness hospitalization. Protection was similar against RSV-linked lower respiratory tract disease, with the highest point estimate in the first month of life, although confidence intervals were wide.

16 Jun 2026

Leading AI models ace many vaccine questions but falter on clinical rules

A multilingual benchmark of 1,886 vaccine-related questions found that large language models answered most items accurately across English, Spanish, and Chinese. However, performance varied by vaccine type, language, and prompting method, with persistent errors in dosing, contraindications, age eligibility, and other clinically sensitive guidance.

11 Jun 2026

Study links menstrual cycle timing to COVID vaccine side effects

A study of 1,474 Clue app users found that women vaccinated against COVID-19 during the follicular phase had higher odds of self-reported side effects than those vaccinated during the luteal phase.

8 Jun 2026

Study reveals how germinal centers consistently produce antibodies

A new study tracking thousands of B cells across more than 100 germinal centers in mice reveals how the system consistently produces highly effective antibodies.

7 Jun 2026

Modified injectable vaccine shows promise for complete polio eradication

In the United States, children routinely receive an injectable form of the polio vaccine. This vaccine is very effective at preventing illness, but it doesn't block transmission of the polio virus as well as the oral polio vaccine does.

3 Jun 2026

Pediatric experts reveal the 10 research areas set to shape child health

Pediatric research leaders identified 10 high-promise areas likely to shape child health over the next 5 to 10 years, including genomics, mental health, vaccines, artificial intelligence, perinatal medicine, precision therapeutics, health equity, nutrition, environmental health, and cancer treatment. The paper argues that these opportunities will only translate into better outcomes if pediatric research receives sustained funding, public trust, workforce support, advocacy, and equitable implementation.

1 Jun 2026