Alexander (Sasha) Poltorak

Alexander (Sasha) Poltorak is Professor of Immunology, Tufts University

Alexander (Sasha) Poltorak

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Sepsis is one of the most expensive medical conditions in the world — new research clarifies how it can lead to cell death

Alexander (Sasha) Poltorak

26 Dec 2022

4 min read

Declining antibodies and immunity to COVID-19: Why the worry?

Declining antibodies and immunity to COVID-19: Why the worry?

Alexander (Sasha) Poltorak

27 Aug 2020

5 min read

Immune cells release proteins called cytokines which alert the rest of the immune system that a virus is present. www.scientificanimations.com, CC BY-SA

Science & Technology

Blocking the deadly cytokine storm is a vital weapon for treating COVID-19

Alexander (Sasha) Poltorak

20 May 2020

4 min read

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