Medical research

Stanford developing single-dose nanoparticle vaccine for COVID-19

Before the pandemic, the lab of Stanford University biochemist Peter S. Kim focused on developing vaccines for HIV, Ebola and pandemic influenza. But, within days of closing their campus lab space as part of COVID-19 precautions, ...

Diseases, Conditions, Syndromes

What should a successful SARS-CoV-2 vaccine do?

A lot has been written recently about the merits of different potential vaccines for SARS-CoV-2. "Merit" is generally assumed to mean that the vaccine will make us immune. But what, exactly, is immunity, and how would we ...

Diseases, Conditions, Syndromes

Pfizer says tweaked COVID-19 shots boost omicron protection

Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the omicron variant is safe and works—just days before regulators debate whether to offer Americans updated booster shots this fall.

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