Wanzhou

According to a study published in the Journal of Nature Medicine, recovered COVID-19 patients may rapidly lose antibodies – the blood proteins necessary to stave off virus infections and the cornerstone of vaccinology. The finding raises new questions about the idea of immunity passports (a way for people considered immune to the virus to move around freely and not need to wear facemasks) and could be cause for concern about the development of an effective vaccine. Researchers in the study tested for antibodies in 37 people who had fallen ill and recovered from the virus in the Wanzhou district of China. They also tested 37 others who had tested positive for the virus but never showed symptoms – what is known as asymptomatic cases. This was in order to address two key questions that will i...