Free variables and bound variables. For bound variables in computer programming, see Name binding. In mathematics, and in other disciplines involving formal languages, including mathematical logic and computer science, a free variable is a notation that specifies places in an expression where substitution may take place.
HPV virus infection and natural treatment with dietary supplements, risk of vaccine by Ray Sahelian, M.D. December 28 2014. Genital HPV infection is a sexually transmitted disease (STD) that is caused by human papillomavirus.HPV is the name of a group of viruses that includes more than 90 different strains or types.PV infection and cervical cancer Genital human papilloma virus, the most common sexually transmitted disease in the United States, is associated with cervical cancer in women, and penile cancers in men. The infection is asymptomatic until a malignancy develops.
HPV is a virus that causes genital warts and in some cases can lead to cancer. There are almost 200 types of HPV, and many cause no symptoms.) While there is no cure for HIV or AIDS, drugs like AZT, the acronym for the drug âazidothymidine,â are prolonging the lives of patients. This antiviral drug is made from genetic materials found in fish sperm.