In his 40s he developed a condition called spasmodic dysphonia. Kennedy though suspects a flu vaccine may be to blame for the condition. His press person sent links to fact sheets included in manufacturer packaging of more recent flu vaccines that lists dysphonia among dozens of reported quote-unquote adverse reactions. The adverse reactions in those package inserts which are legal not medical documents are based on unverified Observations and as they make clear don't suggest the vaccine necessarily caused the reaction.