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ID Week Highlights Part 1Latest Content

Measles Update: October 30, 2026

Thinking Outside the IV: Implementation of a COpAT Program for Patients With Bone and Joint Infections

Cefiderocol Continues to Show Activity Against Resistant Gram-Negative Infections

A Closer Look at IDSA/ESCMID 2026 Consensus Statements 6 and 7 on Staphylococcus aureus Bacteremia

Measles PCR Testing Climbs as Positivity Rises in National Lab Data

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Company announces first AI-designed personalized phage treatment for antibiotic-resistant bacterial infection in human patient.

As France confirms the first documented human Shamonda virus infection, a fatal encephalitis in a stem cell transplant recipient, this FAQ explains what the virus is, where it has spread, how the case was diagnosed, how the patient was likely infected and what clinicians should watch for.

In this first IDWeek 2026 roundup, oral olorofim matched AmBisome in invasive aspergillosis, aztreonam-avibactam held activity as MBL-producing CRE rose, pritelivir cut hospitalizations in refractory HSV, and zelicapavir shortened RSV symptoms in high-risk adults.

David Altarac, MD, discusses the 2026 IDSA guidance, which prioritizes sulbactam-durlobactam plus a carbapenem for invasive carbapenem-resistant Acinetobacter infections.

Investigational agent Zelicapavir cut time to complete RSV symptom resolution by up to a week and lowered hospitalization in high-risk adults.

Preliminary SABEDTIO data from IDWeek 2026 show early dual IV therapy cut prolonged S aureus bacteremia to 6% from 16%, with safe oral transition at 72 hours.

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.

CDC says the Bundibugyo virus outbreak in the DRC is the second-largest Ebola outbreak on record, with 9735 confirmed cases and 4690 deaths.

Stopping empiric antibiotics early nearly tripled antibiotic-free days in neutropenic fever, and 5-day oseltamivir prophylaxis matched 10 days in hospital exposures.

Investigational asuptegravir cut HIV-1 RNA by up to 2.36 log10 copies/mL in 10 days, and adding fostemsavir boosted CD4 gains in immunologic nonresponders.

In an ECOSPOR III analysis, all-cause hospitalization by week 4 fell to 3.4% with fecal microbiota spores vs 16.1% with placebo in recurrent C difficile infection.

CDC lists 5 active multistate outbreaks tied to oysters, raw milk cheese, sprouts, and pet turtles, with recalls in effect for 4 of them.

Exploratory SCORPIO-PEP data presented at IDWeek 2026 show household contacts with breakthrough COVID-19 on ensitrelvir had lower peak viral RNA and fewer severe symptoms than placebo recipients.

Day 42 all-cause mortality was 23.8% with oral olorofim vs 24.3% with AmBisome plus standard of care in invasive aspergillosis unsuited to azole therapy.

MBL producers rose from 20.4% to 48.6% of US carbapenem-resistant Enterobacterales from 2021 to 2025, while aztreonam-avibactam stayed active against 97.7% of them.






































































































































