Each year, more than 68,000 Americans are diagnosed with melanoma, and another 48,000 are diagnosed with an early form of the disease implies that only the top layer of the skin. In addition, more than 2 million people are treated for basal cell carcinoma or skin cancer cells every year. Basal cell carcinoma is several times more common than squamous cell cancer of the skin.
Colorado has high levels of melanoma and skin cancer than other states. The numbers of skin cancers can be reduced through prevention, early detection and treatment.
Overexposure to ultraviolet (UV) rays is the main cause of skin cancer.Measures to prevent skin cancer include the reduction of direct sunlight, especially during midday hours (10:00 to 4:00 p.m.) when the sun's rays are strongest, wear protective clothing (hat with a wide banks, long-sleeved shirt, long pants, and sunglasses) and using a sunscreen with a sun protection factor of at least 15 to protect against UV rays A and B.

Comments: 2
Gimmick`
A germ is not the same as bacterium or viri.
Germs are bigger than bacteria, and bacteria are bigger than viri. They are not the same.
I would not be surprised if Ultra Violet rays can kill germs. I do not know about the other two life forms.