In simple viruses, the jackets then self - assemble around replicated DNA strands. (science.howstuffworks.com)
Answer: These are non specific symptoms of many possibilities from simple virus or parasite to something more serious involving metabolic issues of liver, pancreas, etc.. (1800petmeds.com)
Globally, more than 70 millions people have Herpes Simples Virus, and the number of people with genital herpes and oral herpes have been steadily rising. (datingpeoplewithherpes.com)