Kategoria: Covid

Your body knows you’re getting sick before you even feel it. Chills, fever, a sore throat — these are signals that show up only once an infection is already in full swing. But modern health-tracking wearables like the Whoop band can pick up on the early signs of an oncoming illness hours — sometimes days…

Omicron and its descendant sublineages, specifically JN.1, maintain global dominance by effectively bypassing existing population immunity. Why does the Omicron variant dominate current infection statistics? Viral evolution has led to the emergence of variants such as XFG and BA.3.2, also known as Cicada. According to WHO data from February 2026, these strains show significant immune escape…