Some STDs are caused by Viruses (HIV/Aids, Genital Warts, Herpes etc) but other STDs are caused by bacteria (Gonorrhea, Syphilis etc).
some stds may cause cancer stds areexpensive to manage some stds can cause death
Most STDs don't cause death. Excluding HIV, syphilis can be fatal.
The cause of STDs is unprotected sex.
some stds may cause cancer stds areexpensive to manage some stds can cause death
Herpes and syphilis are STDs that can cause sores on the mouth or genitals (or anywhere else).
No oovoo can not cause viruses.
Cervicitis does not cause cancer. Typical causes of cervicitis are STDs, so treatment is important. STDs that cause cervicitis can sometimes affect future fertility.
Parasites can carry and transmit viruses, but they do not "cause" them.
HIV virus, and many zoonotic virus can pass through placenta i.e. by transplacental route.
Some can cause cancer. They are called oncogenic viruses.
While most viruses co-exist harmlessly in their host and cause no signs or symptoms of disease, many of the viruses do cause fever.
No, Clubpenguin is a safe site run by Disney that does not cause viruses.