Full Text PDF | COVID-19, public health, pandemic.
About corona viruses many discusses were occur in the last two years because of Covid 19, the pandemic disease of our days. The Family of coronaviruses includes the positive sense single-stranded RNA viruses with helical symmetry of enveloped nucleocapsid, which determine respiratory or intestinal infection in humans and animals and causing disorders of different organs. The name of viral genus derives from their surface with club-shaped spikes like solar corona.
SARS-CoV-2 causes the COVID-19 disease and spread all over the world. The scientific communities analyse this virus and investigate the effects about the human organisms. The threat of the coronavirus become seriously enough in 11 March 2020, when the World Health Organization (WHO) declared a pandemic.
No doubt the world was not prepared for this important problem of public health. Till May 2021, 1055265 cases of infection were registered in Romania. In Arges County the number of infection was 26476 in the same period.
Cite this paper: Deliu, I. (2021). COVID 19 - THE CHALLENGE OF CORONAVIRUSES. Current Trends in Natural Sciences, 10(19), 416-421. https://doi.org/10.47068/ctns.2021.v10i19.055