Definition of courier: An individual responsible for the exchange of items between two or more parties. Couriers are usually employed by a company that charges a flat rate to the party using the courier service. Federal Express, UPS, DHL, and the United States Post Office all employ couriers to deliver mail and packages.
At least 3 bacterial morphotypes, as well as fungal mycelia, thelastomatid nematodes, and ingested material are found in the hindgut. At annual molt, the lumen bacteria virtually disappear; presumably they are replaced from anterior gut regions, ingested exuvium, and ingested soil.
Viral and bacterial conjunctivitis. Viral conjunctivitis and bacterial conjunctivitis may affect one or both eyes. Viral conjunctivitis usually produces a watery discharge. Bacterial conjunctivitis often produces a thicker, yellow-green discharge.Both types can be associated with colds or symptoms of a respiratory infection, such as a sore throat.Both viral and bacterial types are very contagious. They are spread through direct or indirect contact with the eye secretions of someone who's infected.acterial conjunctivitis often produces a thicker, yellow-green discharge. Both types can be associated with colds or symptoms of a respiratory infection, such as a sore throat. Both viral and bacterial types are very contagious.