Specific T-cell immunity to virus critical in curbing infections, re-infections
Move follows recommendation from independent committee which assesses results
Getting COVID-19 twice: What scientists say and what it means for you and me
Health officials say growing impatience is a new challenge as they try to slow outbreaks
Earth will be situated directly between Mars and the Sun
Antibody-based medications and antivirals are being investigated as early treatments
Each composite image released contains X-ray data from Chandra as well as other telescopes
Evidence suggests the proliferation of mutation brought a drop in death rates
77 days with fever, 'COVID toes': Not much known about virus effect on ‘long haulers’
New COVID-19 vaccine trial in China, AstraZeneca-Kangtai deal unveiled