It's probably faster than you imagined. Knowing what's normal for your baby's breathing will help you spot a potential problem more quickly. When in doubt of what's going on, make a video of the breathing pattern that is worrying you to show to your baby's health care provider.
They are around plenty of humans and do plenty of biting when compared to the majority of venomous snakes. Their venom is powerful, and they deliver the bite with large fangs that can give a large dose of that deadly venom. Many consider the Western Diamondback to be the deadliest snake in the United States. For my money, the Eastern Diamondback is about as deadly as they come. This is not only the deadliest snake in America in my opinion, it is also the largest venomous snake as well.
The California Poison Control Center notes that rattlesnakes account for more than 800 bites each year with one to two deaths. Most bites occur between the months of April and October when snakes and humans are most active outdoors.