RSV, labeled with GFP to glow green, infects a sample of lung tissue from a deceased donor. New research shows that the virus produces defective genomes that prompt the immune system to eliminate the pathogen. Credit: University of Pennsylvania
Almost all human beings are exposed to the respiratory syncytial virus, or RSV, before their second birthdays. For most, the symptoms mimic those of the common cold: runny nose, coughing, sneezing, fever. But in some very young infants – and some older adults – the disease can be serious, causing respiratory problems that require hospitalization and increase the risk of developing asthma later in life.
Even in the hospital, doctors can’t do much more than offer supportive care...
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