The transmission modes and sources of COVID-19: A systematic review
Sulaiman Rahman, Heshu
Sleman Aziz, Masrur
Hassan Hussein, Ridha
Hassan Othman, Hemn
Salih Omer, Shirwan Hama
Star Khalid, Eman
Abdulrazaq Abdulrahman, Nusayba
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The current rampant coronavirus infection in humans, commonly known as COVID-19, a pandemic that may cause mortality in humans, has been declared a global emergency by the World Health Organization (WHO). The morbidity and mortality rates due to the pandemic are increasing rapidly worldwide, with the USA most affected by the disease. The source COVID-19 is not absolutely clear; however, the disease may be transmitted by either by COVID-19-positive individuals or from a contaminated environment. In this review, we focused on how the COVID-19 virus is transmitted in the community. An extensive literature search was conducted using specific keywords and criteria. Based on the published report, it is concluded that COVID-19 is primarily transmitted human-to-human via oral and respiratory aerosols and droplets with the virus-contaminated environment play a lesser role in the propagation of disease. Healthcare providers and the elderly with comorbidities are especially susceptible to the infection.
Link to resourcehttps://doi.org/10.1016/j.ijso.2020.08.017
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