id author title date pages extension mime words sentences flesch summary cache txt cord-271172-y48dovux Potter, Christopher William Chapter 25 Respiratory tract viruses 1998-12-31 .txt text/plain 8618 346 37 Adenoviruses, spread by droplet infection, impinge on epithelial cells in the pharynx or in the lower respiratory tract to enter and kill cells by a combination of inhibition of cellular metabolism, virus replication and the toxic effects of the penton: the results are extensive desquamation of affected areas, causing sore throat, necrotizing bronchitis, bronchiolitis and interstitial pneumonia. The illnesses vary from relatively mild common colds caused by rhinoviruses and coronaviruses, to severe bronchiolitis and pneumonia caused by adenoviruses and influenza viruses and respiratory syncytial virus (RSV) in infants: the former is associated with little morbidity and no mortality, while influenza is responsible annually for between 1 and 25 thousand deaths per 50 million population. The illnesses vary from relatively mild common colds caused by rhinoviruses and coronaviruses, to severe bronchiolitis and pneumonia caused by adenoviruses and influenza viruses and respiratory syncytial virus (RSV) in infants: the former is associated with little morbidity and no mortality, while influenza is responsible annually for between 1 and 25 thousand deaths per 50 million population. ./cache/cord-271172-y48dovux.txt ./txt/cord-271172-y48dovux.txt