I have a hard time knowing what to introduce when, and there seem to be lots of differences between France and say the US when it comes to foods like dairy, soy, fish, and eggs. In France, it seems like 7 months is about the time when you start introducing all of that so that's what I'm going to go by.
Madeleine had her first fever last weekend, it sort of came out of nowhere, and left quite fast too. She had 2 days of relatively high fever, and on the third day, no more fever but a bout of red spots all over her body and face. We called the doctor, and after telling us to try and lower her body temperature if she had a fever and wait 3 days in a 5 minute consultation , he left speedily with his 74euro check. Ouch...