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.
Symptoms of cold sores. You won't 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.