anchor.diff:  1040,measles,infections may have contributed to as many as half of all,childhood mortality,when measles was common
   243,families,in Arizona number is increasing,anti-vaccination,in Arizona
   244,families,in the US number is increasing,anti-vaccination,in the U.S.
  -516,vaccine-autism link,no link even in,high-risk children,MMR
  -351,autism,no increased risk even among,high-risk children,
  +516,vaccine-autism link,no link even in,children at higher risk for autism,MMR
  +351,autism,no increased risk even among,children at higher risk for autism,
   650,measles,can lead to,deaths,
   829,measles,outbreak started from trip to,Disneyland,"in Quebec, Canada"
   732,measles,16 people in Texas linked to,Eagle Mountain International Church,
  
positive.code: 856,vaccination rates,are not just problems of,states,
  848,vaccine refusal,attributed to,personal religious beliefs,among subgroup of church members
  627,vaccine refusal,can have major negative impact on,public health,
  849,vaccine refusal,attributed to personal religious beliefs among,subgroup of church members,
  111,vaccine refusal,rates increase when,doctors,do not stand strongly behind vaccines
  427,vaccine-autism link,it seems silly that this is still,argument,MMR
  489,vaccinated high-risk children,are less likely to be diagnosed with autism than,unvaccinated high-risk children,indicated findings of Jain study
  
negative.code: 936,Dr. Paul Offit,is,pediatrician,at The Children's Hospital of Philadelphia
  449,vaccines,many parents continue to withhold from,children,because of fear of vaccine-autism link
  934,Dr. Paul Offit,is director of,Vaccine Education Center,
  923,driving factors,vary significantly at level of,community,of parents to opt out of recommended vaccine schedule
  920,driving factors,vary significantly for,parents,to opt out of recommended vaccine schedule
  922,driving factors,vary significantly of parents to opt out of,recommended vaccine schedule,at community-level
  765,Dutch reformed churches,subset describe vaccines as,gift from God,
  