“immunity level”可以造什么句,immunity level造句
来源:语文精选馆 2.85W
To minimize the risk of outbreaks from importation, countries must maintain high population immunity levels.
Objective To determine the infection status and immunity level of epidemic cerebrospinal meningitis in susceptible population in Hefei based on immunoserological surveillance.
The rise in cases underlines the urgent need to conduct high-quality immunization campaigns to rapidly boost population immunity levels.