One of the key measures to prevent the spread of Ebola virus disease is to use protective gear efficiently. Health workers and doctors caring for Ebola victims are at the greatest risk of acquiring the infection and therefore they must be well aware about using personal protective equipment to prevent themselves from getting infected. (Read: What is the Ebola incubation period?) The World Health Organisation (WHO) has formally reviewed guidelines on the use of personal protective equipment (PPE) for healthcare workers who have to provide direct care to Ebola patients. Announcing the review of the guidelines the WHO tweeted 'Dr