California is declaring whooping cough to be an epidemic after 800 cases were reported in the last two weeks. Learn how whooping cough spreads.

Source: edition.cnn.com

My controversial 3.75 minute NPHG presentation on the distribution of immunizable diseases is at :  https://www.youtube.com/watch?v=UBUPd8LPdrQ&list=UUMJaJTXo6VmoTW2yktQiZrA&index=24

 

 

My 3D videomap on the distribution of refusals to immunize children is at:  https://www.youtube.com/watch?v=LyqSJQOqSHU&index=21&list=UUMJaJTXo6VmoTW2yktQiZrA

 

The Playlist for this several year old site is found at:  https://www.youtube.com/playlist?list=UUMJaJTXo6VmoTW2yktQiZrA