The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. From the very early days of the pandemic, brain fog emerged as a significant ...

So in these charts we use a rolling 7-day average of the new infections countries report each day and compare where that ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The world was transformed by the emergence of SARS-CoV-2, the ...

Ziyad Al-Aly is chief of research and development at VA St. Louis Health Care System and a clinical epidemiologist at Washington University in St. Louis. From the very early days of the pandemic, ...