A person’s immune response to variants of SARS-CoV-2, the virus that causes COVID-19, depends on their previous exposure – and differences in the focus of immune responses will help scientists understand how to optimise vaccines in the future to provide broad protection.
COVID-19’s impact on persons with disabilities in Africa
In 2017, a road accident left Anna Nzioka with two fractures in her right leg. After a series of operations and physiotherapy, she has slowly