ok google what are the symptoms of chest infection?
['a persistent cough.', 'coughing up yellow or green phlegm (thick mucus), or coughing up blood.', 'breathlessness or rapid and shallow breathing.', 'wheezing.', 'a high temperature (fever)', 'a rapid heartbeat.', 'chest pain or tightness.', 'feeling confused and disorientated.']