This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Which Viral Infection associated with Exacerbation of Asthma in COPD Patients ? 
Select and explain. 
A. Adenovirus + Rhino Virus, B. Rhinovirus + Corona Virus, C. RSV + Coronavirus, D. Rhinovirus + RSV + Influenza
D: Rhinovirus + RSV + Influenza
Answer: D: Rhinovirus + RSV + Influenza 
Explanation: Ans. is 'd' i.e., Rhinovirus + RSV + Influenza Viruses associated with exacerbation of COPD : Rhinovirus, Coronavirus, RSV, influenza virus.Bacteria associated with exacerbation of COPD : Pneumococcus, H influenzae, M catarrhalis, Mycoplasma pneumoniae, Chlamydia pneumoniae.