Nowadays we are very vulnerable to cold and flu and that is not only during the winter season but anytime as there have been various flu outbreaks recently. Flu virus can be air-borne or can be contracted by physical touch or it can be spread through touching infected objects and things like doorknobs, escalator railings and elevator buttons.
You can defend yourself from cold and flu by following simple instructions given below.
How to defend yourself from flu
It has been found that 80% of all infections are spread by hands. So wash your hands regularly with a hand sanitizer or at least with soap and water for around 20 seconds.
It is advised to keep you warm during the cold seasons and avoid sudden temperature changes as it can lead to developing a cold. In order to prevent contact with unwanted germs, it is recommended to keep your nose and mouth covered if you are going outside.
Start building your immune system by eating fruits and vegetables like papayas, carrots, oranges, guavas, limes, onion and rice which are rich in Vitamin A and C. you can also drink green or black tea.
I am writing my opinion only about showers and baths. I am not going to use any scientific evidence to support my belief because this is an opinion. I will use some common sense to answer this question. Here is my biased effort.