![Second booster shot approved for individuals who received three doses of the Sinopharm vaccine: 23 December 2021 | The official website for the latest health developments, Kingdom of Bahrain Second booster shot approved for individuals who received three doses of the Sinopharm vaccine: 23 December 2021 | The official website for the latest health developments, Kingdom of Bahrain](https://www.moh.gov.bh/Content/Upload/Image/637758828079388824-39781774-31AA-4C8D-9C8C-8F896677A60F.jpeg)
Second booster shot approved for individuals who received three doses of the Sinopharm vaccine: 23 December 2021 | The official website for the latest health developments, Kingdom of Bahrain
![CDC recommends additional booster of Pfizer-BioNTech, Moderna Covid-19 vaccine for adults 50 and older - POLITICO CDC recommends additional booster of Pfizer-BioNTech, Moderna Covid-19 vaccine for adults 50 and older - POLITICO](https://static.politico.com/65/fd/34fd627b497b876799caf52be9e4/virus-outbreak-second-boosters-27707.jpg)
CDC recommends additional booster of Pfizer-BioNTech, Moderna Covid-19 vaccine for adults 50 and older - POLITICO
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Safety of the fourth COVID-19 BNT162b2 mRNA (second booster) vaccine: a prospective and retrospective cohort study - The Lancet Respiratory Medicine
NSW Health - You can now get your booster vaccination 4 months since your second dose. From 31 January, this will shorten to 3 months. A COVID-19 booster dose strengthens your immune
![COVID-19 Vaccine Boosters vs. Third Doses: Frequently Asked Questions - Anne Arundel County Department of Health COVID-19 Vaccine Boosters vs. Third Doses: Frequently Asked Questions - Anne Arundel County Department of Health](https://www.aahealth.org/wp-content/uploads/2022/04/Booster-Infographic_tw_05_18_22.png)
COVID-19 Vaccine Boosters vs. Third Doses: Frequently Asked Questions - Anne Arundel County Department of Health
![JCVI advice on COVID-19 booster vaccines for those aged 18 to 39 and a second dose for ages 12 to 15 - GOV.UK JCVI advice on COVID-19 booster vaccines for those aged 18 to 39 and a second dose for ages 12 to 15 - GOV.UK](https://assets.publishing.service.gov.uk/media/61a4f1f2d3bf7f055d72d64a/vaccine-covid.jpg)
JCVI advice on COVID-19 booster vaccines for those aged 18 to 39 and a second dose for ages 12 to 15 - GOV.UK
![La Moncloa. 11/11/2022. More than 60% of people aged over 80 years have a second booster dose of COVID-19 [Government/News] La Moncloa. 11/11/2022. More than 60% of people aged over 80 years have a second booster dose of COVID-19 [Government/News]](https://www.lamoncloa.gob.es/serviciosdeprensa/notasprensa/sanidad14/PublishingImages/Recursos/150321vacunas3.jpg)