The authors go on to write, "We sincerely hope that, in light of these scientific judgments and the supporting scientific evidence, you or your successor will select a more health-protective primary ozone standard during the upcoming review cycle".
We have recently shown that neutrophils are not protective against primary B. pertussis infection [8] suggesting that if IL-17 is protective against this infection it must act through another mechanism, such as enhancing macrophage activity.
Xanthine oxidase inhibition by allopurinol was also found to be protective in primary rat hepatocytes [ 10].
It would seem, therefore, that similar to squamous and other epithelial carcinomas, neoplastic TM expression is protective in primary colorectal adenocarcinomas.
The rate ratio was further from 1 when models were stratified on event order, in addition to allowing for a nonsusceptible fraction: The estimated primary protective effect, among those individuals who were not completely protected, was 60% in Burkina Faso and 84% in Mali, which is substantially higher than the total protective effect (allowing for a nonsusceptible subgroup) of 15% and 22%.
Cluster-randomized non-blinded intervention trials, sometimes combining hand hygiene with wearing of face masks, in households with newly infected index cases generally failed to statistically confirm protective effects on primary outcomes [ 3– 5], but some found significant protection in subgroups that started intervention early [ 5, 6].
This appears to be the primary protective reaction in living brachiopods, the closure of the shell protecting the soft-tissue from potentially harmful agents in the external environment [ 32].
Given the underlying risk associated with age 30 42 and that the protective effects of primary prevention drugs can be realised within just one year, 43 a case can be made for offering primary prevention to a larger proportion of people aged 80 and over than are currently receive it.
Such inspiration is its primary protective device.
