Not very, thankfully.
Less than 1% of all breast tumors occur in males. There will only be 450 deaths estimated from breast cnacer in men in 2011.
However, if a man has breast cancer there is a strong family link genetical
I doubt it's related to your dog for multiple reasons. A big one is that the timing doesn't sound right. It sounds like you and your husband both became ill right after you picked your dog up. Most infections passed from one