As far as the swine flu, it is normal to be concerned, but keep in mind that if you allow such fears to take over your life - you are actually only reducing your immune system's natural ability to fight off infection.
Stress has been shown to impact the immune system. To combat this, you may want to try some activities which restore balance in your life. From my experience, even 15 minutes of meditation a day can transform your life.
You may also consider something like Tai Chi or Chi Qong... these are exercises which actually boost your energy level (and therefore your immune system).
Congratulations on the upcoming baby. Best of luck to you and your partner. I wish her a safe delivery.