Covid-19 Vaccine Why do children 12-17 have to get Pfizer injections with 3 Czechs?

and when the second dose of vaccination was longer than 5 months, it was found that the effectiveness

in the age group 12-15 years

• reduced to 38%

Age group 16-17 years old

• reduced to 46%

When the 3rd needle was injected

for the age group 16-17 years old

• Increased productivity from 46% to 86%.

In the case of effectiveness in preventing hospitalization

• 5-11 years, efficiency 74%

• 12-15 years, 92% effectiveness

• 16-17 years, 94% effectiveness

If the second dose of vaccination is longer than 5 months

age group 12-15 years

• The effectiveness was reduced to 73%.

age group 12-15 years

The effectiveness was reduced to 73%.

So it can be concluded that

• Two doses of vaccine in children 12-17 years old prevent less than 50% of moderate infection by 5 months.

• If the third booster was given 5 months after the second dose, in the 16-17 year age group, the efficacy increased to 86%.

• Effectiveness in preventing hospitalization For the two-dose vaccinations, they were at 92 and 94%, after five months they dropped to 73 and 88%, respectively.

That is, children aged 12-17 will need a third dose of Pfizer booster vaccination more than 5 months after the second dose has been given.