變種病毒在小朋友開始擴散

什麽叫『疫苗逃脫』（vaccine escape） ? 當病毒變異到能避開疫苗的全部作用，並繼續傳染人時，就是「疫苗逃脫」 有可能嗎？我們先看一下COVID19 病毒🦠的突變歷史 COVID19 病毒🦠的突變歷史 突變，是COVID19 病毒🦠日常生活 。COVID19 病毒🦠有那麽多的

Science's COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation. A new, more transmissible coronavirus variant has upended efforts to balance the known harm that closed schools cause against the risk that the pandemic virus might spread in classrooms. Studies done before it emerged seemed to point in a hopeful direction: School outbreaks are rare, even when community spread is relatively high, providing schools limit class sizes and require safety measures including masks.

Children are no more susceptible to these lineages than adults are - and closing schools on the basis of incomplete information could have repercussions. Children are no more susceptible to these lineages than adults are - and closing schools on the basis of incomplete information could have repercussions.