Therefore, there is a vaccine that comes in, so is very good but it has a limitation that must be injected in 9-45 years, because the vaccine contains live virus. If injected in the group with no immune system, or those with low immunity to cause stimulation and result in dengue fever. Therefore, the Group of children 9 years old and up. The body will have immunity at least fuel, then 1 will be the appropriate time period to get the vaccine.
การแปล กรุณารอสักครู่..