CDC Expert Commentary

This special series of commentaries, interviews, and slideshows is part of a collaboration between CDC and Medscape. This content is designed to deliver CDC's authoritative guidance directly to Medscape's physicians, nurses, pharmacists, and other healthcare professionals.

Expert Commentaries

  • New HIV PrEP Guidelines This update gives healthcare providers the latest guidance on prescribing HIV pre-exposure prophylaxis (PrEP) -- a powerful tool for HIV prevention -- to their patients.
  • COVID-19 Vaccine Effectiveness CDC answers questions about how effective vaccines are against preventing serious illness with newer COVID variants.
  • Shingles Vaccination for Immunocompromised Adults In January 2022, CDC updated recommendations for shingles vaccination to include people 19 years and older who are or will be immunocompromised.
  • Invasive Mold in Patients With COVID-19 COVID-19 is likely to increase the risk for pulmonary aspergillosis and mucormycosis, life-threatening infections caused by environmental molds.
  • 5 Things to Know About New Pneumococcal Vaccine Guidance Adult pneumococcal vaccine recommendations have been considered some of the most complicated vaccine recommendations to appropriately implement. The good news: Implementation just got simpler.
  • Testing and Treatment for COVID-19 and Influenza Given the similarities between symptoms of influenza and COVID-19, distinguishing between the two diseases when both are spreading in the community is challenging.
  • Studying Abroad During COVID-19: 5 Things to Know CDC is providing five important reminders for healthcare providers to share with their patients, be they students or faculty, who plan to study abroad while the pandemic continues.
  • ACTIV COVID-19 Clinical Trials ACTIV trials were designed for a rigorous assessment of safety and efficacy in flexible, multi-stage, multi-arm, randomized controlled designs.
  • Antibiotic Use During COVID-19 Stewardship programs are critical for optimizing patient safety, and there are opportunities to optimize antibiotic use during the COVID-19 pandemic.
  • Four People With Cough and Dyspnea After Attending a Baseball Game Four patients present to an emergency department with cough, dyspnea, fever, and other symptoms on the same afternoon. What's your diagnosis?
  • Travel-Related Measles As more people travel internationally, the risk for measles infection increases, especially among the unvaccinated.
  • A Woman With Fatigue, Palpitations, and Headache A previously healthy 34-year-old woman reports with fatigue, palpitations, headache, dyspnea, and difficulty sleeping. What's your diagnosis?
  • 5 Things to Know: HPV Vaccination of Adults Aged 27-45 Years Should adults aged 27 through 45 years get the HPV vaccine? The answer comes down to shared clinical decision-making between you and your patient.
  • Five Things to Know about Point-of-Care Testing for SARS-CoV-2 Point-of-care testing is performed at or near where the patient specimen is collected. If your organization performs POC testing for COVID-19, here's what you need to know.
  • Post-COVID Conditions Interim Guidance for Healthcare Professionals The Centers for Disease Control and Prevention has provided interim guidance on the diagnosis and management of post-COVID conditions, which are often referred to as 'Long COVID.'


CDC Mission

The Centers for Disease Control and Prevention (CDC), part of the United States Department of Health and Human Services, focuses on health promotion, disease prevention, and the development of public health policies, tools, and information. CDC offers expertise, leadership, and training on topics ranging from common diseases and conditions, emergency preparedness, environmental health and safety, healthy living, traveler's health, and workplace safety and health.