Dr. Dave Stukus is a terrific pediatric allergist at Nationwide Children's Hospital. I can highly recommend him. Dr. Stukus is very active on social media in addition to his busy practice. He is a trustworthy source of information.
Dr. Stukus' has a terrific blog post that summarizes the recent new recommendations about introducing peanut products at a young age. The blog post can be found here. It is well worth reading.