The most vulnerable groups of hereditary influenza, especially schizophrenia.. Males have some nationalities such as Negroes and children in nurseries and care

The most vulnerable groups are men, some nationalities such as Negroes, children in nurseries and nurseries, children with limited incomes and the poor living in large populations, sickle cell anemia, children who have not received breastfeeding, spleen loss , People with AIDS, malignant tumors.
- Inflammation of the pimple is rare 12 months ago, but increases in the age group of 2-4 years.