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 & Flu Symptoms. Hi, I've been struggling for the last 5 weeks with recurring cold & flu symptoms, a lot of sneezing, now i have a cough which is quite chesty, by the weekend i feel completely drained, somtimes quite achy during the evenings. I'm taking paracetomol extra, not suffering from high temp though.
These can develop into ulcers with grey or yellow centres. If you develop the herpes simplex virus at an early age, it may be triggered periodically in later life and can cause recurring bouts of cold sores. After the primary infection, the symptoms are usually reduced to just the cold sores themselves.