Flu is very common during weather changes. It is a type of #viral#infection that attacks the respiratory system. When a person gets the #flu; the nose, throat, and lungs get affected. Different #viruses can cause flu. The flu can cause a mild or severe... moreFlu is very common during weather changes. It is a type of #viral#infection that attacks the respiratory system. When a person gets the #flu; the nose, throat, and lungs get affected. Different #viruses can cause flu. The flu can cause a mild or severe #illness. Visit https://www.dynamichomeopath.com/blog/best-natural-ways-treat-common-flu/less