Download PDFPDF
Systematic review and meta-analysis
For some groups traditionally considered to be ‘high risk’, the evidence of an increased risk of severe influenza-associated illness is poor quality
You need to be signed in to access email alerts. If you have an account log in with your user name and password. If you don't have an account you can just enter your email address in the email box below.
Sign In to Email Alerts with your Email Address