#Breaking The latest CDC numbers show a 15.7% increase of measles cases from week-to-week. This is another large jump in cases, especially from last week where there was a 7.8% increase. The data also shows further outbreak spread across more states.

Eric Meissner, MD PhD, discusses the takeaways of the ARTISTRY-2, phase 3 study, which compared bictegravir/emtricitabine/tenofovir alafenamide to bictegravir/lenacapavir in adults with HIV who were virologically suppressed. #CROI2026

Phase 1 data show that the long-acting HIV-1 capsid inhibitor VH-499 is well tolerated as a single intramuscular or subcutaneous injection and demonstrates pharmacokinetics supportive of long-acting dosing intervals. #CROI2026 www.contagionlive.com/view/long-ac...

Dr. Chloe Orkin discusses the takeaways of the ARTISTRY-1 phase 3 study, including its efficacy and safety profile and the potential benefits of a single-tablet regimen in this patient population. #CROI2026 www.contagionlive.com/view/switchi...

New in vitro data presented at CROI show that Atea Pharmaceuticals’ oral nucleotide analog AT-587 demonstrates markedly superior potency against hepatitis E virus compared with existing off-label options, supporting plans to advance the candidate into phase 1 clinical development in 2026. #CROI2026

Amy Colson MD, MPH, discusses data from the MK8591A-052 trial which showed that switching to doravirine/islatravir maintained durable virologic suppression with efficacy and safety comparable to continuing bictegravir/emtricitabine/tenofovir alafenamide. #CROI2026

New 96-week sub-group data from the PASO DOBLE study show that adults with virologically suppressed HIV who switched to Dovato experienced significantly lower rates of steatotic liver disease than those who switched to Biktarvy, particularly among individuals with weight gain. #croi2026

In the phase 3 ARTISTRY-2 trial, switching virologically suppressed people with HIV from B/F/TAF to a once-daily bictegravir/lenacapavir single-tablet regimen maintained viral suppression through Week 48 with comparable safety and tolerability. #CROI2026 www.contagionlive.com/view/novel-s...

In a phase 3 study of virologically suppressed adults with HIV, switching to once-daily doravirine/islatravir (DOR/ISL 100/0.25 mg) maintained high rates of viral suppression through 96 weeks, with no emergent resistance and a favorable safety profile. #CROI2026 www.contagionlive.com/view/switchi...

Traws Pharma announced positive phase 2 results showing its investigational COVID-19 antiviral ratutrelvir as a possible alternative to Paxlovid, including for ineligible patients, while advancing tivoxavir marboxil as a once-monthly oral prophylactic for seasonal influenza.

This week, read about the changes to the pediatric vaccine schedule, RSV protection, the FDA reversing course on Moderna's influenza vaccine, and more. www.contagionlive.com/view/top-inf...

The latest CDC numbers show a 7.9% increase of measles cases from week-to-week. While the number of new measles cases are down from the previous week, there are more states and outbreaks circulating throughout the US. #IDtwitter #Medtwitter www.contagionlive.com/view/measles...

In this month's column, we look at the recommendation changes made by the CDC to the pediatric vaccine schedule, as well as the American Academy of Pediatrics' response with its own vaccine schedule. #IDsky #Medsky

New phase 3 data show that Merck’s clesrovimab (Enflonsia) maintained a favorable safety profile and supportive pharmacokinetics in high-risk children under 2 years of age during a second RSV season. The company plans to file for expanded regulatory approval. #IDsky #Medsky

The federal agency is bringing over NIH Director Jayanta "Jay" Bhattacharya, MD, PhD, to fill the position.

Check out our library of Bench to Bedside Columns from the @sidpharm.bsky.social. Read columns here: www.contagionlive.com/sap-partner/...

[email protected] has aligned with the FDA on the design of a phase 3 trial evaluating the safety and immunology of the company's monoclonal antibody, VYD2311, vs mRNA COVID vaccines and in co-administration. #IDsky #Medsky

New real-world evidence presented by GSK shows its RSV vaccine, Arexvy, was associated with substantial reductions in RSV-related hospitalizations and serious cardiovascular and respiratory complications among older adults. #IDsky #Medsky

#Breaking After initially refusing to review Moderna’s investigational mRNA-based seasonal influenza vaccine, the company communicated with the FDA on a revised proposal to seek approval and the federal agency will review the product. The vaccine's PDUFA decision date is August 5, 2026.

Eric Hall, PhD, MPH, led a modeling study around delaying the universal birth dose hepatitis B vaccine, and he offered some insights of potential healthcare costs when moving away from hepatitis B vaccine birth dose. www.contagionlive.com/view/the-hum...

A newly proposed federal insurance rule for 2027 omits long-promised protections on copay assistance, allowing insurers and pharmacy benefit managers (PBMs) to continue diverting billions of dollars intended to help patients afford prescription drugs.

A real-world population study from Spain shows that universal infant immunization with Beyfortus significantly reduced RSV-related hospitalizations not only in the first RSV season, but also into the second year of life.

A 6-year study in Liberia shows that Lassa fever is frequently missed in febrile patients, leading to preventable deaths and underscoring the urgent need for earlier diagnosis and improved testing. #IDsky #Medsky

This week, listen in on commentary around the potential removal of the COVID-19 vaccine from the US market, read about FDA's refusal to review Moderna's influenza vaccine, CDC's investigation on invasive E coli, and more. www.contagionlive.com/view/top-inf...

The latest CDC numbers show a nearly 25% increase of measles cases from week-to-week. This marks 2 weeks in a row with a nearly identical percentage of cases and there are now 5 outbreaks circulating throughout the US.

IDSA's Amanda Jezek provides the latest update on the legislative bill including some of its features, its methodology for assigning antimicrobials to the subscription model, and how anyone can advocate for the bill with Congress. @idsainfo.bsky.social #IDsky #Medsky

Robert Hopkins Jr, MD, medical director of the @nfidvaccines.bsky.social describes what this could mean to morbidity and mortality rates if the federal government took them off the market. @aradultimmdoc.medsky.social

The Centers for Disease Control and Prevention (CDC) characterizes epidemiology, serotype and treatment resistance of extraintestinal invasive Escherichia coli, the most common pathogen in community-onset sepsis. #IDsky #Medsky

New amicus brief from scholars and professional organizations including the American Thoracic Society and American Academy of Allergy, Asthma & Immunology supports AAP lawsuit against HHS changes to pediatric vaccine schedule.

The FDA declined to review Moderna’s mRNA flu vaccine application for its mRNA-1010 product, and based its decision on it choice of comparator in a phase 3 trial, despite the absence of safety or efficacy concerns and prior FDA agreement on the study design. #IDsky #Medsky

In a short video clip, Paul Offit, MD, discusses the ongoing measles outbreak and asks what needs to happen to spur real action from federal health agencies. #IDsky #Medsky

A large international study published in The Lancet shows that obesity substantially increases the risk of severe illness and death from most infectious diseases, potentially accounting for more than 10% of infection-related deaths worldwide. Repond to our poll associated with the article.

A large study shows that obesity substantially increases the risk of severe illness and death from most infectious diseases, potentially accounting for more than 10% of infection-related deaths worldwide. #IDsky #Medsky www.contagionlive.com/view/obesity...

Risk of a cardiac event was higher in older patients hospitalized for respiratory syncytial virus (RSV) infection than has been reported for influenza. www.contagionlive.com/view/rating-...

This week, listen in on commentary around the ongoing measles outbreak, read our new Antibiotics Deconstructed column on IV fosfomycin, review data on metformin preventing long COVID, insights on diagnostic stewardship, and more.

Today is National Black HIV/AIDS Awareness Day. Dr. Alftan Dyson discusses its significance as well as the importance of taking the discussion around HIV prevention and sexual health out into the communities to have those conversations.

The latest CDC numbers on #measles show a significant increase of nearly 25%, in a week-to-week comparison. www.contagionlive.com/view/measles...

In a phase 3 trial, the novel oral antiviral pritelivir demonstrated superior lesion healing and better tolerability than existing therapies in immunocompromised patients with refractory or resistant herpes simplex virus infections.

In our new Antibiotics Deconstructed column, authors discuss the recently approved intravenous fosfomycin (Contepo), with an overview of the therapeutic including its mechanism of action, data, availability, and prospective costs. #IDsky #Medsky

This is the fourth time the antimicrobial bill has been introduced in the Congress. Will the subscription-payment model legislation gain enough momentum for passage? #IDsky #Medsky www.contagionlive.com/view/pasteur...

In the latest podcast, Dr. Andrea Prinzi talks about diagnostic stewardship and when it is grounded in collaboration, education, and thoughtful test use, it can improve patient care while helping clinicians navigate complex diagnostic tools. #IDsky

A growing body of randomized trials and real-world analyses shows that starting metformin during acute SARS-CoV-2 infection is safe and significantly reduces the risk of developing #LongCovid #IDsky #Medsky www.contagionlive.com/view/metform...

Paul Offit, MD, voices concerns over CDC’s surveillance capabilities, the federal agency’s lack of movement to address vaccine needs during outbreaks, and diminishing herd immunity, making the vulnerable at risk for contracting disease. @pauloffit.bsky.social #IDsky

A review finds growing AMR among the main bacteria causing meningitis—especially in low- and middle-income countries—raising concerns about the continued effectiveness of standard treatments and the urgent need for stronger surveillance. #IDsky

As the spending bill makes its way through Congress, Carl Schmid provides some insights on the latest wranglings on the #HIV bill and the domestic programs. #IDsky #Medsky

MicuRx Pharmaceuticals has received FDA clearance to begin a phase 2a clinical trial of MRX-5, a novel oral antibacterial therapy for patients with Mycobacterium abscessus pulmonary disease. #IDsky #Medsky

In the second installment of our 2-part interview, infectious disease pediatrician Sharon Nachman, MD, discusses this very rare side effect that can occur after immunization administration.

This week, read about the latest number of confirmed cases of measles in the US, novel findings around UTI treatment failure, an overview of zoliflodacin and gepotidacin, and more. #IDsky #Medsky

The Centers for Disease Control and Prevention (CDC) provided its latest figures today on the confirmed number of #measles cases in the US. #IDsky #Medsky

The American Academy of Pediatrics (AAP) has published its 2026 immunization schedule, reaffirming routine vaccination to protect children and adolescents against 18 preventable diseases.