MPR Weekly Dose #64 - Pfizer-BioNTech vaccine efficacy against new variant; Ravulizumab trial halted; Rapid concussion test; Novel chronic kidney disease Tx; NSAID recalled

<p><span style="font-weight: 400;">This week we have news of the neutralizing response of the Pfizer-BioNTech vaccine to the new COVID-19 variant; A trial investigated ravulizumab in adults with severe COVID is halted; A rapid blood test for concussions gets the all clear; A novel treatment for chronic kidney disease in patients with type 2 diabetes; and the drug manufacturer Fresenius Kabi announces a voluntary recall of one lot of an NSAID treatment.</span></p>