The number of white blood cells may go up and this may be because of a bacterial infection, bleeding or a burn.More rarely the cause of a raised white count is due to leukaemia, cancer or malaria.

• 白细胞数量上升的可能原因包括细菌感染、出血或烧伤，也有可能是因为白血病、癌症或疟疾，但较少见。