No infection occurs only with the basic elements leading to this and these elements are: a risk factor for infection, and the sourceof this factor, and the host at risk of this factor and, most importantly of all, no way moved by the worker from the source tothe host, is known as the interaction between all these elements as"chain of infection" or "the transmission cycle of the disease," andthat interaction focuses on the links and relationships between allthese elements. The following figure shows the transmission cycle of the disease from one person to another, and to preventtransmission of infection must break this cycle at certain points.
التسميات
Health risks