 [ Symptoms ] why does my daughter act out when i am on my period  my daughter who is 5 acts out and gets into more trouble at school and home when i am on my period is there an explaination for this i can not take her out of school every month i am on my period is there something we can do [ Disease ] swine influenza h1n1 is a very contagious respiratory disease caused by a strain of the influenza type a virus swine influenza h1n1 or swine flu h1n1 originally occurred only in pigs or rarely in those who were around pigs however a new strain of the swine flu h1n1 virus has been able to spread from person to person outbreaks of the new swine flu h1n1 started to occur between humans in march 2009