Id |
Subject |
Object |
Predicate |
Lexical cue |
T35 |
0-174 |
Sentence |
denotes |
On January 23rd, 2020, Wuhan, the epicenter of the current coronavirus outbreak, announced the implementation of travel restriction as strategy for controlling the infection. |
T36 |
175-281 |
Sentence |
denotes |
Following this announcement, many other cities and provinces of China decided to enforce similar measures. |
T37 |
282-435 |
Sentence |
denotes |
In the meantime, many other control measures have been adopted, like convincing all the residents to stay at home and avoid contacts as much as possible. |
T38 |
436-558 |
Sentence |
denotes |
From the mathematical point of view, this can significantly contribute to decreasing the contact rate c among the persons. |
T39 |
559-795 |
Sentence |
denotes |
On the other hand, also from January 23rd, 2020, gradually increasing numbers of 2019-nCoV testing kits were sent to Wuhan from other provinces, gradually shortening the time period of diagnosis (i.e. the value of δI increases greatly). |
T40 |
796-1154 |
Sentence |
denotes |
Considering these control strategies, we adapted our previous model (Tang et al., 2020) as time-dependent dynamic system, by taking January 23rd, 2020 as the newly initial time:S’=−(βc(t)+c(t)q(1−β))S(I+θA)+λSq,E’=βc(t)(1−q)S(I+θA)−σE,I’=σϱE−(δI(t)+α+γI)I,A’=σ(1−ϱ)E−γAA,Sq’=(1−β)c(t)qS(I+θA)−λSq,Eq’=βc(t)qS(I+θA)−δqEq,H’=δI(t)I+δqEq−(α+γH)H,R’=γII+γAA+γHH, |