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#World Health Organization

Europe's medicines watchdog has approved a Covid jab by Novavax, which uses a more conventional technology that the biotech firm hopes will reduce vaccine hesitancy. Photo: Justin Tallis / AFP
Europe's medicines watchdog has approved... […]

The technology behind Covid jabs

How do the different vaccines work against Covid-19? The WHO has authorised the use of Novavax's Nuvaxovid, a subunit vaccine that contains a purified piece of the virus to trigger an immune response
A healthcare worker gives the Johnson and Johnson Covid vaccine to a woman outside a polling station in Laudium, Pretoria, on November 1, 2021. Photo: Phil Magakoe / AFP
A healthcare worker gives the Johnson an... […]

Did vaccine inequality lead to the Omicron variant?

In October 2020, as scientists raced to develop a Covid shot, the head of the WHO warned against looming "vaccine nationalism". But is vaccine inequality the reason behind Omicron's emergence?
A woman receives a dose of the Pfizer-BioNTech vaccine against COVID-19 in Texcacoac, Chiautempan, Tlaxcala state, Mexico. Photo: Pedro Pardo / AFP
A woman receives a dose of the Pfizer-Bi... […]

Global hits, local heroes: Covid-19 jabs around the world

More than six billion doses of anti-Covid vaccines have been given around the world. This is an overview of more than 20 approved vaccines currently in use, and a few that fell by the wayside