Id |
Subject |
Object |
Predicate |
Lexical cue |
T5 |
0-190 |
Sentence |
denotes |
In a meta-analysis of 29 controlled trials with 11,306 participants, we showed that regular vitamin C intake of around 1 g/day did not prevent upper respiratory tract infections (URTIs) [4]. |
T6 |
191-328 |
Sentence |
denotes |
However, the same trials found that vitamin C shortened and alleviated URTIs that occurred during the period of vitamin C administration. |
T7 |
329-411 |
Sentence |
denotes |
In adults the duration of infections was reduced by 8% and in children by 14% [4]. |
T8 |
412-594 |
Sentence |
denotes |
Given the low frequency and usually mild symptoms of URTIs, and the relatively small benefit, prophylactic daily vitamin C dosing does not seem worthwhile under normal circumstances. |
T9 |
595-769 |
Sentence |
denotes |
However, noting that many URTIs are caused by endemic coronaviruses, there is no reason or evidence to assume that vitamin C would be completely ineffective against COVID-19. |
T10 |
770-958 |
Sentence |
denotes |
Given that COVID-19 is often much more severe than ordinary URTIs, the above estimates might justify a regular increased daily intake of vitamin C while the prevalence of COVID-19 is high. |