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Scientists have long queried the causes of immune disorders in only one of two identical twins with identical genes. New research from the Wellcome Sanger Institute, the Josep Carreras Leukaemia Research Institute in Spain and their collaborators, has found the answer lies in both alterations in immune cell-cell communication and the epigenome, the host of biological processes that regulate how our genes function.

Researchers raised concerns that some SARS-CoV-2 variants can escape detection by antigen tests.

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection incites adaptive cellular immune responses. In many SARS-CoV-2 studies, peripheral blood is analyzed to study the immune responses. Now, a new study under consideration at the Nature Portfolio Journal analyzes the peripheral blood, tonsils, and adenoids of children to understand local and systemic immune responses to SARS-CoV-2.

A recent study finds that there is no considerable B-cell immunity against SARS-CoV-2 in unexposed healthy individuals.

Researchers evaluated the humoral and cellular immune memory induced by four COVID-19 vaccines representing three different vaccine platforms.