Sciatica is pain caused by irritation of the sciatic nerve. The irritated nerve causes pain that runs down your leg from your lower back or hip. The sciatic nerve is formed by a group of nerves that run from the lower spine down the leg to the foot. Anything that irritates the nerve can cause sciatica.
List of Air Borne Diseases Photo Credit Jupiterimages/Comstock/Getty Images. A disease is classified as airborne when respiratory droplets from one person can easily contaminate the next person. Viruses, bacteria and fungus may be to blame for causing such diseases. Airborne transmission happens when the bacteria or virus travel on respiratory droplets or dust.
Airborne Diseases. Airborne diseases are caused by pathogenic microbes small enough to be discharged from an infected person via coughing, sneezing, laughing and close personal contact or aerosolization of the microbe.The discharged microbes remain suspended in the air on dust particles, respiratory and water droplets. Many bacteria can cause disease. 2  A spore is a cell that is dormant (asleep) but may come to life with the right conditions. 3  Coronavirus-Coronaviruses are a large family of viruses that includes viruses that may cause a range of illnesses in humans, from the common cold to SARS and MERS.