- Omicron – which is the latest variant of COVID-19 to have raised concerns, is said to have several mutations.
- The World Health Organization has labelled it as a 'variant of concern' (VOC).
- The need of the hour is to find out the efficacy of various vaccines against Omicron.
A new strain of coronavirus SARS-Cov-2, Omicron has become a hot topic of discussion worldwide for its increasing number of cases across different countries.
The United Nations’ specialised agency for international public health, World Health Organization has also designated it as a ‘variant of concern’ considering preliminary research that this virus has more potential of causing infection than others. This virus variant is said to have genetic modifications that are expected or known to affect traits like transmissibility, illness severity, immune escape, diagnostic or therapeutic escape.