Tag Archives: antibody

Is the COVID-19 Antibody Seroprevalence in Santa Clara County really 50-85 fold higher than the number of confirmed cases?

By CHRISTOS ARGYROPOULOS I am writing this blog post (the first after nearly two years!) in lockdown mode because of the rapidly spreading SARSCoV2 virus, the causative agent of the COVID19 disease (a poor choice of a name, since the disease itself is really SARS on steroids). One interesting feature of this disease is that a large number of patients will… Read More »

Genetics Home Reference: PLCG2-associated antibody deficiency and immune dysregulation

PLCG2-associated antibody deficiency and immune dysregulation (PLAID) is an immune system disorder characterized by an allergic reaction to cold temperatures. Other immune system problems can also occur. The hallmark feature of PLAID is the development of a red, itchy rash (hives) when the skin is exposed to cool temperatures, which is known as cold urticaria.… Read More »