That’s literally a chart of Google search results, which of course spiked when the claims of myocarditis were reported. Google search results are not a reliable source. Kirsch is also not an expert and has a history of spreading misinformation
It’s worth noting that there have some been a few cases of mostly teenage boys having temporary side effects from the vaccines. They have been extremely rare and had cleared up after a few hours (normally only a few days at max.) There has not been a death reported as a result from these side-effects.
This site is literally misquoting it’s sources