奥密克戎、免疫力和突破性感染:为什么会重复感染新冠
全球新冠疫苗接种突破100亿剂之际,疫情在奥密克戎变异株驱动下持续,重复感染病例增多引起关注。为什么会重复感染?
Severity: 8192
Message: Creation of dynamic property CI_DB_mysqli_driver::$failover is deprecated
Filename: database/DB_driver.php
Line Number: 371
Backtrace:
File: /home2/seasidecambodia/public_html/application/config/config.php
Line: 338
Function: DB
File: /home2/seasidecambodia/public_html/index.php
Line: 325
Function: require_once