coronavirus

2 articles tagged with #coronavirus

Paper cutout of colorful contagious types of viruses on yellow background with pills and capsules for treatment during disease care routine

Seasonal Coronaviruses: OC43, 229E, NL63 & HKU1

Four seasonal coronaviruses, OC43, 229E, NL63, and HKU1, cause common colds. See how they differ from SARS-CoV-2, why immunity fades, and why most infections stay mild.

Editorial Team·May 15, 2026·22 min

Top view of COVID-19 vaccine vials with syringe on a pink background, symbolizing vaccination and health.

Biology & Health

SARS and MERS: Coronaviruses Explained

SARS-CoV-1 and MERS-CoV came from animals, spread in hospitals, and differ sharply in lethality. How each emerged, why SARS ended, and why MERS persists.

Editorial Team·May 14, 2026·22 min