Has the covid-19 vaccine after 6 months decreased its effectiveness against the delta variant?

Let's lookat the explanation according to this fact.

The amount of information circulating in the community has caused confusion, especially for those who have been vaccinated. In the last few weeks, there has been a lot of news discussing the issue of whether the vaccine is still effective in suppressing the spread of the COVID-19 virus.

So according to research in Qatar using the pfizer vaccine. The vaccine is effective only 4 weeks after the second dose and after the next 15 weeks it will decrease in effectiveness. And for those who experience severe COVID-19, it can last for up to 6 months. 

Now we discuss the effectiveness of the vaccine against the delta variant. So for infection with the delta variant it is still 53% effective 4 months after the second dose and 93% for hospitalized patients is still effective for a period of up to 6 months after the second dose. 

This means that we can conclude that the vaccine will experience a decrease in effectiveness after 6 months for people who experience symptoms or prevention, especially against this delta variant. 

However, for patients with COVID-19 who are hospitalized and severe, their effectiveness is still maintained In the same period.


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