| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T149 |
133-408 |
Sentence |
denotes |
The type D countries, with less than 1,000 COVID-19 cases per million in which the infection spread peaked after mid-June, were mostly tropical developing countries with lower population density, less cross-border mobility, higher malaria incidence, and less BCG vaccination. |
| T150 |
409-588 |
Sentence |
denotes |
These country-specific factors indicate that the COVID-19 spread is not simply driven by specific environmental variables, and the underlying mechanisms are complicated (Table 1). |
| T151 |
589-710 |
Sentence |
denotes |
Therefore, evaluating the drivers of the COVID-19 spread at the present phase of disease expansion is a challenging task. |
| T152 |
711-839 |
Sentence |
denotes |
The absence of population-wide testing for COVID-19 makes it difficult to investigate the growth dynamics of COVID-19 infection. |
