1. COVID-19 mutation: There are many mutant strains in COVID-19, some of which are more infectious and pathogenic, which makes it more difficult to control the epidemic.
2. Vaccination progress: Vaccination is being actively promoted around the world, and some countries have begun to implement national free vaccination plans, but some countries and regions are facing the problem of insufficient vaccine supply.
3. Impact of the epidemic: The epidemic has had a huge impact on the global economy and society, with many industries and enterprises being severely hit, the unemployment rate rising and the economic growth slowing down.
4. International cooperation: Governments and international organizations are strengthening cooperation to meet the challenge of this epidemic. For example, the World Health Organization is coordinating the global vaccine distribution plan, and countries are also sharing epidemic information and prevention and control experience.
Generally speaking, the current epidemic situation is still grim, which requires the concerted efforts of all parties in Qi Xin to strengthen cooperation, promote vaccination, control the spread of the virus and protect people's health and life safety.