Please tell that to deceased people after first or second jab,
they will be very happy to know that they are protected:

Sudden Death In Young People After COVID Vaccination

Are these the numbers scaring Boris? Study shows 29% of the 42 people who have died after catching the new strain had BOTH vaccinations as cases soar another 40%

CDC says roughly 4,100 people have been hospitalized or died with Covid breakthrough infections after vaccination

A man reportedly died within minutes after receiving the first dose of Pfizer COVID-19 Vaccine

Dad-of-four, 48, died of Covid after getting first dose of Pfizer vaccine

California man who celebrated vaccines dies after second Pfizer coronavirus jab