The discovery of the Omicron variant renews many people’s fears over the pandemic. After all, experts say the new variant has an unusually large number of mutations possibly capable of increased reinfection, transmissibility, and severity. Some even speculate that the Omicron can evade the protection provided by natural immunity and vaccination. Hence, it’s not surprising for many countries to issue travel bans. But will a stricter lock down policy stop Omicron?