2022, Number 3
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Revista Cubana de Salud Pública 2022; 48 (3)
Impact of relative humidity on COVID-19 transmission
Navarro-Duran A, Cortez-Huerta M
Language: Spanish
References: 35
Page: 1-17
PDF size: 1174.98 Kb.
ABSTRACT
Introduction: The new pathogen SARS-CoV-2 presents a rapid spread, and is the cause of
the Coronavirus disease 2019 (COVID-19). Given that this virus is recent, the increase in
cases of the COVID-19 disease has been a great threat, to which has been added the lack of
conclusive information about the disease, its transmission, and its relationship with the
different environmental variables.
Objective: To determine the incidence of relative humidity in the transmission of COVID-
19 in the tropical regions of Colombia.
Methods: Relative humidity data and number of daily COVID-19 infections from seven
cities in Colombia located in the Caribbean Region (Barranquilla and Sincelejo), Andean
region (Medellín, Bucaramanga, Armenia and Cúcuta), as well as the Amazon Region
(Leticia) were analyzed. A generalized logistic model was used to analyze existing data and
design epidemiological curves.
Results: For all cities, according to the model, high correlations were found between relative
humidity (observed variable) and COVID-19 (predicted variable) with an R2 > 0.90.
However, it was determined if there was an association between the variables by comparing
the p-value with the level of significance α 0.05, a statistically significant association was
found in the cities of Leticia, Barranquilla and Cúcuta.
Conclusion: The results indicate that there is a direct relationship between relative humidity
and the transmission of COVID 19 in tropical regions of Colombia. Hence, it is proposed
that the study provides an important tool for the decision-making of the institutions in charge
of the control of the disease, such as national and local governments.
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