A volcano is a rupture on the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.Earth's volcanoes occur because its crust is broken into 17 major, rigid tectonic plates that float on a hotter, softer layer in its mantle. volcano is a rupture on the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. Earth's volcanoes occur because its crust is broken into 17 major, rigid tectonic plates that float on a hotter, softer layer in its mantle.
Herpes is also more common in women with HIV (particularly those with a low CD4 cell count) so frequent and persistent herpes infections could be an indication of HIV. Symptoms of herpes: 1  Painful blisters or open sores around the genital area.  Tingling or burning in legs, buttocks and genitals prior to sores appearing.
The person becomes vulnerable to serious illnesses. This stage of infection is known as AIDS. Signs and symptoms of late-stage HIV infection may include: 1  blurred vision. 2  diarrhea, which is usually persistent or chronic. 3  dry cough. 4  fever of above 37C (100F) lasting for weeks. 5  night sweats. 6  permanent tiredness. 7  shortness of breath.