Coronaviruses are crown-like spikes on them. Four sub-groupings known as alpha, beta, gamma, and delta. Human coronaviruses were first identified in the mid-1960s. The seven coronaviruses that can infect people are:
A secretive new virus that was first stated in the central Chinese city of Wuhan and has since spread to two other local cities and three countries is raising fears of an epidemic like the deadly SARS outbreak that hit the region nearly two decades ago.
According to the World Health Organization, common signs of contagion include fever, cough, and respiratory difficulties like shortness of breath. Serious cases can lead to pneumonia, kidney failure and even death.
As this virus is novel there is no vaccine available till now, the development of vaccines can even take place years. Coronavirus are hard to teat because they are effective at evading the human immune system.