
Coronavirus COVID-19
Coronavirus has glycoprotein spikes that project from their surface and look like corona from which their name derives. Coronavirus is not a newly discovered virus. Coronaviruses are a large group of related viruses which might cause illness in mammals like humans and birds. In humans, coronaviruses cause respiratory tract infections that can be mild such as a common cold or more severe diseases like Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS). The most recently discovered coronavirus causes coronavirus disease COVID-19. The COVID-19 outbreak began in Wuhan, China, in December 2019 and ever since this virus is spread all over the world with 1.503.900 confirmed cases and 89.931 total deaths. That is the reason why World Health Organization calls it a pandemic. The origin of COVID-19 is unknown but there is a theory that it was caused by bats. This coronavirus does not have an age limit.