The coronavirus disease 2019 (COVID-19) pandemic: A review and an update on cases in Africa

Abstract

The world has experienced several epidemics posing serious threat to global public health, including the 2002 severe acute respiratory syndrome (SARS) epidemic that caused 800 deaths out of about 8 000 cases, the 2009 H1N1 pandemic with 18 500 deaths, the 2012 Middle East respiratory syndrome (MERS) epidemic that caused 800 deaths out of 2 500 cases, the 2014 Ebola outbreak with 28 616 cases and 11 310 deaths, and the current coronavirus disease (COVID-19) pandemic with more than 35 000 deaths out of over 730 000 confirmed cases till now. Emerging infectious diseases continue to infect and reduce human populations. The COVID-19 pandemic has spread to more than 114 countries before it was officially declared as a pandemic by the WHO on the 11th March 2020. Here, the first set of index cases in Africa, and the differences between SARS-CoV-2 and other coronaviruses in addition to the preventive strategies on the emergence of COVID-19 were reviewed.

Keywords

• coronavirus
• covid-19
• sars-cov-2
• infectious disease
• africa