Can people who have been infected with COVID-19 still be infected with Omicron?

1 Can people who have been infected with COVID-19 still be infected with Omicron?

There is still a risk of infection.

Although some immunity can be obtained after COVID-19 infection, "Omicron" is a relatively new mutant, and previously acquired antibodies may not be able to completely neutralize "Omicron". Of the 3,582 newly tested positive infections in the UK in January, two-thirds had been infected with the new coronavirus in the past. Therefore, those who have been infected with COVID-19 in the past should not think that they can sit back and relax, let alone ignore personal protection in daily life. 2 Can Omicron spread through items?

Possibly.

Research shows that confirmed cases may have been infected through contact with overseas items. Therefore, while doing a good job in "human defense", we must also pay attention to "physical defense". We must know that the new coronavirus can survive on printing paper and tissue paper for 3 hours, smooth paper (such as banknotes) for 4 days, and smooth surfaces such as glass and stainless steel can survive longer. It is recommended that when collecting overseas items, everyone adopts contactless delivery, tries not to bring outer packaging into the home, wears a mask and pays attention to hand hygiene. 3 Is it okay for Omicron to wear a medical surgical mask?

Wearing a mask is still an effective way to block the spread of the virus, and it is also applicable to the Omicron variant, because the main way of transmission of Omicron is through Spread through respiratory droplets, so wearing a qualified mask regularly is still one of the most effective anti-epidemic measures. Even if you have completed the full course of vaccination and booster shots, you still need to wear a mask in indoor public places, public transportation and other places.