As the findings of the study revealed the current presence of partially effective immunity in apparently asymptomatic children between your ages 6C16, we rationalize that sustained transmission among such asymptomatic cases at the populace level resulting in repeated exposures may be a significant factor in the acquisition of such natural immunity
As the findings of the study revealed the current presence of partially effective immunity in apparently asymptomatic children between your ages 6C16, we rationalize that sustained transmission among such asymptomatic…