Target Product Profiles Established

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WHO sets standards for COVID-19 vaccines

Target product profiles established

The World Health Organization (WHO) has published the target product profiles for COVID-19 vaccines, which describe the preferred and minimally acceptable profiles for vaccines intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in humans.

Efficacy and safety

All COVID-19 vaccines listed by WHO as for emergency use or prequalified provide protection against severe disease and death resulting from infection with SARS-CoV-2. The preferred target product profile for a COVID-19 vaccine is for a vaccine that is at least 90% effective in preventing severe disease and death, and that has an acceptable safety profile.

Duration of protection

The duration of protection provided by a COVID-19 vaccine is not yet known. However, studies have shown that the vaccines currently in use provide protection against severe disease and death for at least 6 months. The preferred target product profile for a COVID-19 vaccine is for a vaccine that provides protection against severe disease and death for at least 12 months.

Conclusion

The development of safe and effective COVID-19 vaccines is a crucial step in helping us get back to doing more of the things we enjoy with our loved ones. In 2021 alone, COVID-19 vaccines saved an estimated 144 million lives worldwide. Vaccination also reduces the likelihood of new variants emerging.