Akiko Iwasaki

Nota: Este archivo abarca los artículos publicados por el autor desde el 1 de Julio de 2008. Para fechas anteriores realice una búsqueda entrecomillando su nombre.

Antibodies attacking a virus. Our body’s immune system naturally kicks in to fend off infection, but vaccines can do that better. Credit Christoph Burgstedt/Science Photo Library, via Getty Images

Within the last couple of months, several scientific studies have come out — some peer-reviewed, others not — indicating that the antibody response of people infected with SARS-CoV-2 dropped significantly within two months. The news has sparked fears that the very immunity of patients with Covid-19 may be waning fast — dampening hopes for the development of an effective and durable vaccine.

But these concerns are confused and mistaken.

Both our bodies’ natural immunity and immunity acquired through vaccination serve the same function, which is to inhibit a virus and prevent it from causing a disease. But they don’t always work quite the same way.…  Seguir leyendo »