STD 12 - 7. human health and disease — NEET STD 11 Science — Question

d
(d) : Common cold or rhinitis is one of the most infectious diseases caused by Rhino viruses. It affects nose and respiratory passage but not lungs. It spreads by droplet infection or contaminated objects. Pneumonia, caused by bacteria Streptococcus pneumoniae and Haemophilus influenzae is a serious disease of lungs, in which fluid collects in the alveoli and bronchioles. The disease spreads by sputum of the patient.