immunity
Caronavirus
UN: COVID-19 herd immunity unlikely in 2021 despite vaccines
CND Team -
The World Health Organization’s chief scientist warned that even as numerous countries start rolling out vaccination programs to stop COVID-19, herd immunity is highly...
World News
Studies determine immunity duration against Covid-19
CND Team -
Covid-19 patients´ antibodies remain in the organism for at least four months after its infection and provide immunity against the virus during that time,...