Disinfecting your nose often can kill off germs and keep you healthy.
But just disinfecting your nose will not completely stop a cold virus.
The cold virus can still get into your body through your nose and mouth even though you disinfect your nose.
You can help stop a cold virus and prevent a cold by increase your Vitamin C intake and boosting your immune system.
Staying hydrated and getting plenty of exercise as well as eating a healthy diet of plenty of fruits and vegetables with vitamins and nutrients can help boost your immune system and can possibly prevent the cold and flu virus.
Be sure to wash your hands often using hot water and antibacterial soap.