The COVID-19 variants: an overview
2021 ◽
Vol 8
(10)
◽
pp. 5148
Keyword(s):
The outbreak of novel coronavirus disease (COVID-19) was initially noticed in a seafood market in Wuhan city in Hubei Province of China in mid-December 2019 which has now spread to 223 countries/territories/areas worldwide. World Health Organization (WHO) under International Health Regulations (IHR) has declared this outbreak as a public health emergency of international concern (PHEIC) on 30th January 2020 subsequently declared a pandemic on 11th March 2020.
2020 ◽
Vol 7
(1)
◽
pp. 026-033
2019 ◽
Vol 61
(1)
◽
pp. 73-102
2013 ◽
pp. 271-294
◽
2005 ◽
Vol 12
(3)
◽
pp. 269-271
◽
2020 ◽
Vol 7
(8)
◽
pp. 3309