Microbiology & Infectious Diseases

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Physician discussing long COVID Medicare spending and health care needs with an older adult

Long COVID Spending Falls Sharply After Three Months

July 2026

Long COVID added little sustained health care use or Medicare spending beyond 3 months in older adults.

Physician discussing long COVID Medicare spending and health care needs with an older adult

Long COVID Spending Falls Sharply After Three Months

Long COVID added little sustained health care use or Medicare spending beyond 3 months in older adults.

Pregnant woman using a smartphone for web-based intervention support during prenatal care.

Digital Tool Does Not Reduce Pregnancy STI Risk

Web-based intervention showed no added effect on pregnancy STI risk or substance use in a randomized trial.

Healthcare professional reviewing hepatitis C care cascade data and follow-up RNA testing results.

Missing RNA Tests Skew Hepatitis C Cure Rates

Hepatitis C care cascade measures may underestimate cure when follow-up RNA testing is incomplete among insured U.S. adults.

Clinician discussing extra-medical MOUD use and opioid treatment access with an adult patient.

Medication Access May Not Close Opioid Care Gaps

Extra-medical MOUD use was reported at one in 10 treatment visits among urban adults receiving opioid agonist therapy.

Immunocompromised adult at home reflecting on physical distancing and quality of life after COVID-19.

Social Distancing Linked to Lasting Health Burden

Physical distancing was tied to poorer quality of life in immunocompromised adults years after COVID-19 emerged.

Healthcare professional discussing metformin and long COVID symptoms with an outpatient after COVID-19 infection.

Metformin Lowers Clinician-Diagnosed Long COVID Risk

Metformin did not significantly prevent 6-month COVID-19 symptoms but lowered clinician-diagnosed long COVID.

Female researcher examining a blood sample in a laboratory, representing bloodstream infection diagnosis and antimicrobial research.

Sex May Shape Bloodstream Infection Survival

Sex-linked biology and care patterns may shape bloodstream infections from diagnosis through antibiotic exposure and survival.

Andes hantavirus particle representing single-dose mRNA vaccine research.

Vaccine Breakthrough Targets Andes Hantavirus

Single-dose mRNA vaccines fully protected hamsters against Andes hantavirus, supporting faster outbreak-response vaccine development efforts.

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