Covid-19 वैक्सीन की ताकत को कमजोर कर रहा है ओमिक्रॉन वैरिएंट, तेजी से पसार रहा पैर : WHO
Omicron variant weakening the power of Covid-19 vaccine, spreading rapidly: WHO
Omicron variant weakening the power of Covid-19 vaccine, spreading rapidly: WHO
Covaxin vaccine gets emergency use approval for kids