Diseases, Conditions, Syndromes

Research team confirms immunity to COVID-19 reduces contagiousness

Nearly one in three people exposed to SARS-CoV2 is infected, and as many as two in five with the omicron variant. In the case of immunity—conferred by vaccination, infection or a combination of the two—this rate drops ...

Medical research

Extending lives of old mice by connecting vessels to young ones

It's more complicated than a fountain of youth, but a team of scientists co-led by Harvard Medical School Professor of Medicine Vadim Gladyshev extended the lives of old mice by connecting their circulatory systems to those ...

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