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What are the benefits and risks of the vaccination?

Age

Risk from COVID-19

Risk of Vaccination

Over 50 years 
of age and all 
adults with 
underlying 
medical 
conditions

Low
• chance of catching and 
spreading infection

Very high
• hospitalisation
• intensive care admission
• death

Moderate
• Long COVID

Uncommon
• sore arm
• feeling tired
• headache
• general aches
• flu like symptoms

Extremely rare
• clotting condition (around 1 in 
100,000 first doses)

40 to 49 years 
of age

High
• chance of catching and 
spreading infection

Moderate
• hospitalisation
• intensive care admission
• death
• Long COVID

Common
• sore arm
• feeling tired
• headache
• general aches
• flu like symptoms

Very rare
• clotting condition (around 1 in 
100,000 first doses)

30 to 39 years 
of age

High
• chance of catching and spreading infection

Low
• hospitalisation
• intensive care admission
• death

Moderate
• Long COVID

Common
• sore arm
• feeling tired
• headache
• general aches
• flu like symptoms

Rare
• clotting condition (around 1 in 
50,000 first doses)

18-29 years of age

Very high
• chance of catching and 
spreading infection

Very low
• hospitalisation
• intensive care admission
• death

Moderate
• Long COVID

Very common
• sore arm
• feeling tired
• headache
• general aches
• flu like symptoms

Rare
• clotting condition (around 1 in 
50,000 first doses)

Benefit of Vaccination

 

 

 

 

One dose more than 80% reduction
• deaths
• hospitalisation
• intensive care

 

Two doses more than 90% reduction
• hospitalisation
• intensive care

 

Two doses more than 95% reduction
• death

 

One dose between 
60% and 70%  reduction

• catching and passing on infection

 

Two doses more than 85% reduction
• catching and passing on infection