The festive season is upon us and, for many, traveling remains a popular way to spend the holidays.Those planning to go abroad this season may want to get a flu shot prior to boarding the airplane.Influenza, aka the flu, is commonly considered a light illness, but the symptoms, such as sore throat, fever and headache, can actually ruin your holiday. In other cases, the influenza virus can lead to severe diseases,
even death.There are two types of influenza, seasonal flu and pandemic flu. The former happens in a certain period of time during winter, which is between October and April in Northern Hemisphere countries, such as the United States and Canada; and between April and September in Southern Hemisphere countries, such as Australia and New Zealand. In Indonesia, the virus can spread all year long as the country is located on the equator, but its prevalence slightly increases...