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NEJM: COVID-19 vaccine for previously infected people can provide longer-lasting protection

 Last Update: 2022-04-21
 Source: Internet
 Author: User

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Real-world studies have found short-term protection against both symptomatic and asymptomatic SARS-CoV-2 infection , the severity of clinical symptoms of Covid -19, and secondary transmission, but the duration remains uncertain .
The Covid-19 global epidemic has lasted for three years, and the base of infected people is huge .
Recently, researchers examined the effect of vaccination against new coronary pneumonia in previously infected people .

New Coronary Pneumonia Infection Recently, researchers examined the effect of vaccination against new coronary pneumonia in previously infected people
.

The study, conducted in the United Kingdom, involved health care workers who had previously undergone routine polymerase chain reaction (PCR) testing and analyzed the population's vaccination status and previous infection status
.

The primary endpoints of the study were vaccine efficacy and infection-acquired immunity

Infection-acquired immunity can last for more than 1 year

The study found that for people who were not previously infected with new coronary pneumonia, the protective effect of 2 doses of BNT162b2 vaccine lasted about 6 months, but for people previously infected with new coronary pneumonia, the protective effect of BNT162b2 vaccine after infection lasted for more than one year
.

For people not previously infected with new coronary pneumonia, the protective effect of 2 doses of BNT162b2 vaccine lasted for about 6 months, but for people previously infected with new coronary pneumonia, the protective effect of BNT162b2 vaccine after infection lasted for more than one year
.

Original Source:
Protection against SARS-CoV-2 after Covid-19 Vaccination and Previous Infection leave a comment here

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