Whats the chance of getting swine flu?

My OH & son have both had,cough,sore throats, high temps,vomiting,no appetite,pains all over and skin is sore.thought was just flu or virus, but now wonder if its swine flu. I have been in contact with both of them, as i have been looking after them both. whats the chance i or my other offspring will get it ? We were both full of a flu a month ago, but for a shorter time, was told could of been glandular fever that my daughter had