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.
The virus can be activated by triggers such as fatigue, injury to the affected area, and in women - their period. Some people have cold sores recur around 2-3 times per year. Statistical studies suggest that about 80-90% of people in the US have been exposed to HSV-1 and about 30% have been exposed to HSV-2.