群体免疫既不科学

联合国新闻, 10 月 13 日, 世界卫生组织总干事谭德塞今天在日内瓦举行的新闻发布会上表示，最近有一些关于所谓“新冠病毒”概念的讨论。 “群体免疫” 通过病毒的传播, 但这在科学和伦理上都存在问题, 这绝对不是一个可行的选择.

Tan Desai said that herd immunity is a concept used for vaccination. In this concept, if the threshold of vaccination is reached, the population can be protected from a certain virus. 患者体内的病毒载量因人而异, herd immunity to measles requires approximately 95% of the population to be vaccinated. The remaining 5% will be protected because measles will not spread among vaccinated people. For polio, the threshold is about 80%. 换句话说, herd immunity is achieved by protecting people from the virus, not by exposing them to the virus.

He pointed out that in the history of public health, herd immunity has never been used as a strategy to deal with a general infectious disease outbreak, let alone a global pandemic. He said that allowing the virus to spread uncontrollably means allowing unnecessary infections, suffering and death.

Tan Desai emphasized that it is totally unethical to allow a dangerous virus that we do not fully understand to spread freely. 群体免疫既不科学. This is definitely not an option.