It is said that during the rainy season, we become more susceptible to disease, you know. One of them is the flu. But not to worry, there are several ways you can do to prevent flu. Various studies and studies state that the ability of flu viruses to multiply and spread faster in cold temperatures, compared to warm temperatures. That is the reason why in the rainy season, this virus is more easily transmitted from one person to another. This Relation of the Rainy Season with the Flu At cold temperatures, the virus that causes flu can multiply faster and more easily transmitted. In addition, cold air can also reduce one's immune system, so that the flu virus will be even easier to infect. Decreased endurance in the rainy season is thought to occur because the body lacks vitamin D due to rarely being exposed to sunlight. Lack of vitamin D will weaken the body's immune system, making flu more easily occur. Making physical contact or being close to someone with the flu can ...