Viruses are the ultimate freeloaders. The best among them — influenza, smallpox and SARS-CoV-2 — spread easily among human hosts while delivering high mortality...
THE BAD NEWS? ALL THREE of the COVID-19 vaccines approved in the United States seem to be significantly less protective against the new Omicron variant...
Long Covid symptoms such as intense fatigue, brain fog, sleep disorders, fever, loss of smell and/or taste, headaches, tremors and others, even after mild infection are common and are not trivial.
