Social isolation and the speed of covid-19 cases: measures to prevent transmission

Silva, Fábio Castagna da; Zamprogna, Katheri Maris; Souza, Sabrina Silva de; Silva, Diego Hemkemeier; Sell, Denilson

doi:10.1590/1983-1447.2021.20200238

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Original Article • Rev. Gaúcha Enferm. 42 (spe) • 2021 • https://doi.org/10.1590/1983-1447.2021.20200238 copy

Social isolation and the speed of covid-19 cases: measures to prevent transmission

Aislamiento social e la velocidad de casos por covid-19: medida para prevenir la transmisión

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Objective:

To evaluate the social isolation index and the speed of new cases of Covid-19 in Brazil.

Methods:

Quantitative ecological, documentary, descriptive study using secondary data, comparing the period from March 14 to May 1, 2020, carried out with the 27 Brazilian federative units, characterizing the study population. The data were analyzed through descriptive statistics using the Statistical Package for the Social Sciences-SPSS® software, evaluating the correlation between the social isolation index and the number of new cases of Covid-19, using Pearson’s correlation coefficient.

Results:

The increase in Covid-19 cases is exponential. There was a significant, negative correlation regarding the social isolation index and the speed of the number of new cases by Pearson's coefficient, which means that as the first one increases, the second one decreases.

Conclusion:

Social isolation measures have significant effects on the rate of coronavirus infection in the population.

Keywords:
Coronavirus infections; Coronavirus; Social isolation; Communicable diseases; Public health; Communicable disease control

Day	Week	Social Isolation Index	Average Social Isolation Index	New cases of Covid-19 (NC)	Log (NC)	Speedof new cases
1	1	0.37	0.37	23	1.36	1.60
2		0.51		79	1.90
3		0.39		34	1.53
4		0.30		57	1.76
5		0.32		137	2.14
6		0.35		193	2.29
7		0.38		283	2.45
8	2	0.58	0.58	224	2.35	1.48
9		0.70		418	2.62
10		0.56		345	2.54
11		0.56		310	2.49
12		0.57		232	2.37
13		0.58		482	2.68
14		0.54		502	2.70
15	3	0.56	0.54	486	2.69	2.18
16		0.64		353	2.55
17		0.52		323	2.51
18		0.53		1138	3.06
19		0.47		1117	3.05
20		0.54		1076	3.03
21		0.51		1146	3.06
22	4	0.54	0.53	1222	3.09	2.26
23		0.62		852	2.93
24		0.51		926	2.97
25		0.50		1661	3.22
26		0.49		2210	3.34
27		0.47		1930	3.29
28		0.59		1781	3.25
29	5	0.51	0.51	1089	3.04	2.54
30		0.60		1442	3.16
31		0.46		1261	3.10
32		0.52		1832	3.26
33		0.47		3058	3.49
34		0.49		2105	3.32
35		0.49		3257	3.51
36	6	0.51	0.52	2917	3.46	2.32
37		0.62		2055	3.31
38		0.51		1927	3.28
39		0.60		2498	3.40
40		0.48		2678	3.43
41		0.46		3735	3.57
42		0.50		3503	3.54
43	7	0.50	0.50	5514	3.74	2.61
44		0.59		3379	3.53
45		0.48		4613	3.66
46		0.50		5385	3.73
47		0.53		6276	3.80
48		0.40		7218	3.86
49		0.53		6209	3.79

		Social isolation index	Rate of new cases
Social isolation index	Pearson’s correlation	1	-0.825^*
	Sig. (2 ends)		0.022
	n	7	7
Speed ofnew cases	Pearson’s correlation	-0.825^*	1
	Sig. (2 ends)	0.022
	n	7	7

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[1] Corresponding author:
Name: Katheri Maris Zamprogna Email: katherizamprogna@gmail.com