Think of it this way: What do you use more during the day? Your penis, or your hands? If you choose penis, I think you may have a problem.
Hand sanitizer.
there are more than 5000 germs on your hand
there are 400000000000000 germs on human hand and it can varie
27.9 billion
There are approximately 5,000 germs on your hand at any given time
Yes, as the alcohol in hand sanitizer kills germs.
because hot water kills more germs than washing it with cold water soap is also needed to kill more germs
Yes, hand dryers do give off more germs than a paper towel. This is because you have to press the button to activate the hand dryer. And every other person touches the button too which means more germs. Due to the mechanics of hand dryers, they're generally considered to be virtually germ-free. You can push the button with an elbow or wrist instead of your hand, if the dryer isn't activated by motion. Some paper towel dispensers are activated by motion as well, but while these are a step up from the old hand-crank style, the towlettes are still made of organic material and tend to harbor germs from whoever touches them. If the spread of germs truly concerns you, choose the air dryer with confidence (they're more environmentally friendly, too).
There are typically more germs on a house fly than on a human hand. House flies can carry and transmit a variety of pathogens by landing on and feeding on organic materials. In comparison, while human hands can also harbor germs, they are usually lower in quantity and diversity compared to those found on flies.
Yes, because of everything you pick up, touch, and feel throughout the day you are picking up all of the germs on whatever you touch.
At any given time, a human hand may contain as many as 5,000 germs.