Nirsevimab Cuts Bronchiolitis Cases in Young Infants

TOPLINE: Nirsevimab implementation in Catalonia, Spain, was associated with a 44% reduction in emergency department (ED) visits for bronchiolitis in infants younger than 6 months and a 48% reduction in hospital admissions compared with previous seasons. The multinational study analyzed 1,574,392 ED visits and 255,689 hospital admissions across Spain, the United Kingdom, and Italy. METHODOLOGY: … Read more

Measles Update: Where Are We Now?

For 30 years, pediatrician Tammy Camp, MD, of Lubbock, Texas, never once encountered a case of measles on the job. Now, that’s all changed. As she told colleagues last week, that’s not all that’s different in West Texas, the epicenter of the 2025 measles outbreak in the Southwest.  “We’re seeing mothers who are scared, crying … Read more

Maternal Pertussis Shots Boost Immune Response in Infants

TOPLINE: Vaccinating women with tetanus-diphtheria-acellular pertussis–inactivated polio virus (Tdap-IPV) during pregnancy in a sub–Saharan African setting was safe, well tolerated and boosted pertussis-specific antibody responses among infants in early life. METHODOLOGY: Researchers conducted a phase 4 trial to assess the effect of pertussis vaccination during pregnancy on the immunogenicity of primary acellular or whole-cell pertussis … Read more

Widening Measles Outbreaks Stretch Resources

The US Centers for Disease Control and Prevention (CDC) and the state of Texas are struggling to contain growing measles outbreaks in the face of declining support from the federal government, said a CDC official at a meeting of the agency’s Advisory Committee on Immunization Practices (ACIP) on Tuesday. Even as the Texas-centered outbreak continues … Read more

Experts Provide Measles Tips for Dermatologists

By the late 1990s, annual cases of measles in the United States dwindled to a few dozen, down from more than 27,000 in 1990. However, the disease remained a mainstay of medical education for dermatologists. While few trainees might see measles in practice, the thinking went, the lesions were still a useful benchmark for diagnosing … Read more

Australia Braces for Major Influenza, RSV, Pertussis Season

Australia is reporting high numbers of influenza, respiratory syncytial virus (RSV), and pertussis infections well ahead of winter, with concerns that declining vaccination rates could contribute to a severe respiratory infection season. More than 54,000 cases of laboratory-confirmed influenza have already been reported nationally this year, which represents a 60% increase from the same period … Read more

Experts Push Back on RFK Jr’s Infection Comments

The measles outbreak that originated in Gaines County, Texas, has continued to spread with 481 cases identified since late January, almost all of them in unvaccinated individuals. In all, 56 of those patients have been hospitalized and two children — girls aged 6 years and 8 years — have died from the disease. The rise … Read more

Would You Be Able to Identify Measles in a Patient?

That patient’s cough or runny nose might just be a cold — but what if it’s measles? A growing number of Americans and their doctors may find themselves asking this question. Understanding the signs and what to do if you see them in a patient may be a key in limiting spread. Twelve US states … Read more

Low Vitamin D Tied to Higher Asthma Risk Post-Bronchiolitis

TOPLINE: Among children with a history of severe bronchiolitis during infancy, low serum 25-hydroxyvitamin D (25(OH)D) levels ( METHODOLOGY: Researchers conducted a prospective study to examine the association between serum 25(OH)D levels at the age of 3 years and the risk for the onset of eosinophilic asthma by the age of 6 years among children … Read more

Reduced Vaccination Rates May Allow Spike in Measles Cases

Measles outbreaks in the United States quadrupled from 2023 to 2024, while vaccination rates among kindergarteners declined, based on data from the Centers for Disease Control and Prevention (CDC). The latest information on measles cases and outbreaks showed that 16 measles outbreaks (defined by the CDC as three or more related cases) occurred in 2024 … Read more