Pfizer CEO Albert Bourla raked in $24.3 million in total compensation in 2021. In other news, tinnitus (ringing or buzzing in one or both ears) might be a side effect of COVID-19 vaccines.

In October 2020, the government recommended against kids going trick-or-treating for Halloween out of fear of Covid-19 spread. For Halloween 2021, kids have been given the green light to knock on doors.

SARS-CoV-2 continues to mutate while spreading around the world – infecting more than 112.7 million people as of Feb. 25, according to the Johns Hopkins University of Medicine Covid-19 Dashboard – as companies such as Pfizer and Moderna evaluate boosters against new variants of the virus.

Researchers at Johns Hopkins Medicine identified a protein – known as factor D – that appears essential to the inflammatory process of SARS-CoV-2, the virus that causes Covid-19.

With billions of doses of Covid-19 expected to be available by year’s end, and a global population of 7.8 billion, public health officials are scrambling to deliver the vaccines in ways that are equitable and effective. The challenge is about more than having a vaccine, and more than delivering it, public health experts at Johns Hopkins Medical School explained during a media briefing.

Light-activated CRISPR technology edits genes more precisely and faster than the more standard chemical methods, and enables “super-fast” DNA repair, according to research from Johns Hopkins University School of Medicine.