Q. (a) In droplet infection (i) where do the droplets come from,
(ii) what infective agents might they contain?
(b) Give two examples of diseases normally spread by droplets.
(a) (i) Droplets come from the respiratory passages (bronchi, trachea, nose) and the mouth.
(ii) Droplets might have bacteria or viruses.
(b) Instance of infections spread by droplets are tuberculosis, colds, influenza, measles, chicken pox