Who discovered vaccine for polio menengitis?

Why does my head hurt when the ceiling fan is on or AC is blowing on my head? You are 37 weeks pregnant and lost your mucus plug now Two days later nausea and cramping is this normall and when could you deliver? Are there more Autistic People today than there was before? What happens during labor? What is the top five city with the highest aids rate? How is the best way to suicide for a woman? How long could A long time methamphetamine user have been infected with HIV andaids when they go to hospital with pneumonia and they find out they have full blown AIDS and only has days to live? I want to jump start labor? How soon can you be having braxton hicks contractions? What does the FSH stimulate in women? how would you know if you have a blood clot? How often should CPR rescuers switch? What is impacted grief reaction? Waste materials that leaves the cell of the body? How long can a woman be pregnant without knowing that she is pregnant? Why do you suppose this habitat contains such a high microbial count? Can you eat meat during Lent if you are breastfeeding? What are the complications of bacterial STDs? Why does your body not absorb insulin? How does hemophilia affect the circulatory system?