The primary function of most endospores is to ensure the survival of a bacterium through periods of environmental stress. They are therefore resistant to ultraviolet and gamma radiation, desiccation, lysozyme, temperature, starvation, and chemical disinfectants.
Recurring Cold Symptoms - going on 3 months!! I know there has been this awful virus floating around, but I have been struggling with nasal congestion, post nasal drip, and a constant cough. It all started right after Christmas when I got the worst of it! Very dry dark green mucus, soar throat, and dry painful cough.
Symptoms of cold sores. You will not usually have any symptoms when you first become infected with the herpes simplex virus (the primary infection). An outbreak of cold sores may occur some time later and keep coming back (recurrent infection). However, if the primary infection does cause symptoms, they can be quite severe.