The latest CDC numbers show a 4.4% increase of measles cases from week-to-week. Hospitalizations have reached 591, or 11% of all 2026 cases, and the Pan American Health Organization is deciding this week whether the United States has lost its measles elimination status.

Los Angeles has been experiencing this challenging bacteria in recent years with the potential of it becoming carbapenem-resistant in the future. Shaun Yang, PhD, D(ABMM), FIDSA, MLS(ASCP), provides commentary about his team's work in this area and the role of genomic sequencing to uncover this troublesome pathogen.

Darren Gitelman, MD, senior medical director of the Advocate Memory Center in Park Ridge, discusses findings linking high-dose influenza vaccination to lower Alzheimer disease risk, study limitations, and potential implications for future dementia prevention research.

Deborah Fuller, PhD, provides commentary around the data, and advantages of the technology.

Cefiderocol MICs fell against Pseudomonas aeruginosa and Klebsiella pneumoniae, and the drug showed marked synergy with LL-37 against resistant Acinetobacter baumannii. Jacinda Abdul-Mutakabbir, PharmD, MPH, AAHIVP, discusses her team's findings around this therapy and these pathogens.

Shionogi data presented at IDWeek 2026 demonstrated a 76.7% clinical response with cefiderocol in carbapenem-resistant respiratory infections and high in vitro activity against resistant P aeruginosa VAP isolates. Christine Slover, PharmD, vice president, Infectious Diseases US Medical Affairs, Shionogi, offers insights on the data as well as clinical considerations for providers when weighing the antibiotic for patients.

Alejandra Gurtman, MD, discussed the phase 2 data at IDWeek 2026 which showed the investigational 25-valent pneumococcal conjugate vaccine 25vPnC produced serotype 3 antibody levels about 15-fold higher than Prevnar 20 after the booster dose, targeting a serotype still behind 10.6% of invasive pneumococcal disease in US children younger than five years.

Here is some important information around this pathogen and the intestinal infection.