Local health officials in Summersville, West Virginia, credit Dr. Mark Tomsho for the area's high vaccination rates. Chris Jackson for NOTUSThis story was published with the assistance of the Journalism & Women Symposium (JAWS) Health Journalism Fellowship, supported by The Commonwealth Fund.For a pediatrician, Mark Tomsho is surprisingly calm when talking about the decline of childhood vaccination rates.“Pendulums swing, pendulums swing,” he mu…