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.
Cold sores and fever blisters tend to develop when an individual has a cold or fever but can also be triggered by sun exposure, emotional distress, intestinal illness and menstruation. These blisters can recur in the same spot or in different locations with a frequency ranging from weekly to yearly--some people infected with the virus never develop blisters.