英语翻译

I just got an email from RITA.She told me there will be another injection of Hepatitis A and B vaccines on 12th of Octobor.Should you need the injection or someone who missed last injection,please reply to me and let me know before the 29th of this month.I will collect your names as a list sending back to RITA for registering
Please be noted,check out the following doctor's advices (你说的专家是医生吧?)
在英国的时候,接到系院老师来信的时候,should you 他们经常这么用,非常有礼貌.=if you