the change in temp from summer to fall weakens ur immune system, this is one reason.
"Stomach flu", or the "GI flu".
the flu
flu
During fall and winter.
Mostly around Fall and Winter.
If you want to cure the fighting cocks flu, you are need to get an antibiotic. This flu is common in the Philippines.
Flu is very common in Finland, especially during the flu seasons.
If you are asking about a relationship between the common cold and influenza, there is one: both the common cold and influenza are caused by viruses. Other than that relationship, and that they both affect the upper respiratory system, they are not otherwise related. If your question is asking if getting the flu is related to being cold or in the cold, then see the related questions in the related questions section for information about getting a cold or the flu from cold weather.
H1n1
Influenza.
A virus.
Yes, all influenza viruses have proven to be more active and spread more in the colder weather starting in the fall. This is the period we refer to as the "flu season" and the reason most flu cases are called "seasonal flu". It is expected that in the coming fall in North America there will be a resurgence of the Novel H1N1 virus which will be spreading in the Southern Hemisphere during their flu season in the meantime.