取名中语字是什么意思(原标题：COVID-19 Numbers to Double Before a Better Chance at Herd Immunity, Experts Say重写标题：专家称 COVID-19 数字将翻倍，尚需努力达到群体免疫机会)

COVID-19 Numbers to Double Before a Better Chance at Herd Immunity, Experts Say

The COVID-19 pandemic has ravaged the world, infecting millions of people and causing hundreds of thousands of deaths. With vaccination efforts underway, there is hope that herd immunity can be achieved in the near future. However, experts warn that the number of COVID-19 cases may need to double before herd immunity can be achieved.

The Importance of Herd Immunity

Herd immunity is achieved when a large portion of the population has become immune to a particular infectious disease. This can occur through vaccination or through natural infection. When enough people are immune, the spread of the disease is slowed or even stopped altogether.

For COVID-19, experts estimate that herd immunity can be achieved when 70-90% of the population is immune. This would require a combination of vaccination and natural infection. However, with cases continuing to rise in many parts of the world, achieving herd immunity may be more difficult than initially anticipated.

The Road Ahead

Experts warn that the number of COVID-19 cases may need to double before herd immunity can be achieved. This means that millions more people may need to become infected with the virus in order for immunity to be widespread enough to slow its spread.

This is a daunting prospect, as it means that in the short-term, the numbers of hospitalizations and deaths may continue to rise. It is crucial that healthcare systems are able to handle this influx of patients and that measures are put in place to prevent hospitals from becoming overwhelmed.

The Importance of Vaccination

While achieving herd immunity through natural infection is certainly possible, it is not a desirable outcome. The strain on healthcare systems and the number of lives lost would be staggering. This makes vaccination all the more important in the fight against COVID-19.

Vaccination is the most effective way to achieve immunity without putting millions of lives at risk. Vaccines have been developed and are being distributed around the world. Everyone who can be vaccinated should be vaccinated, in order to protect themselves and others.

Conclusion

The road to herd immunity is a long one, and it may require more sacrifice and hard work than previously thought. However, it is important to remember that there is hope on the horizon. Vaccination efforts are underway, and with continued diligence and cooperation, we can slow the spread of COVID-19 and protect as many lives as possible.