Answer Happy

Three elderly residents of an assisted living faciliiy in rural Pennsylvania are admitted to the hospital within 3 days of one another because of pneumonia All three patients have a history of chronic obstructive pulmonary disease and returned home from a weekend retreat at a residence hall 4 to 7 days ago. Forty-three other individuals attended the retreat. Two other attendees developed pneumonia shortly after returning home, but they did not require hospital admission; they were a 37-year-old woman with systemic lupus erythematosus treated with corticosteroids and a 46-year-old man with severe asthma. No other retreat attendees, including nine children under the age of 5 years, developed a respiratory illness. None of the other residents of the assisted living facility have any symptoms of respiratory illness. Which of the following infectious agents is the most likely cause of these findings?


A) Adenovirus
B) Influenza virus
C) Legionella pneumophila
D) Respiratory syncytial virus
F) SfrP.pfococc11s pnP.11mnniAP.