Cleveland Clinic journal of medicine
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Respiratory syncytial virus (RSV) is a significant cause of morbidity and mortality in infants, older adults, and patients with weakened immune systems. Disease severity differs by underlying immunologic pathologies, with worse outcomes associated with progression from upper to lower respiratory disease. In this review we address the impact of RSV in immunocompromised populations, and discuss the limited available treatments and the potential impact of newer RSV prevention strategies on immunocompromised adults and children.
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In 2023 and 2024, 3 vaccines were approved by the US Food and Drug Administration (FDA) against respiratory syncytial virus (RSV) in adults. In addition, the first long-acting RSV monoclonal antibody for infants and young children was approved. This review provides clinicians with practical guidance to navigate this new era of RSV prevention.
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Testing for respiratory viruses has changed greatly over the past decade, owing to advances in technology, drug development, vaccine research, and a growing recognition of the importance of improving patient access. Here, we focus on the most common respiratory viruses and review preanalytic variables (eg, collection and storage) that affect test results, testing methods including nucleic acid amplification testing (NAAT), and controversies, challenges, and trends in diagnostic testing relevant to clinicians.
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Viral respiratory diseases affect millions of individuals worldwide each year. Annual vaccinations are recommended by the World Health Organization for some of them, such as influenza and more recently for the coronavirus disease of 2019 (COVID-19) and respiratory syncytial virus, with the goal of reducing disease severity and limiting transmission. In the context of infection and vaccination, it is of primary importance to evaluate the immune response to pathogens to shed light on the mechanisms of protection.