The coronavirus outbreak has brought the world into a standstill with many nations imposing lockdown to contain the spread of the virus. The outbreak which began in China in December 2019 has spread to over 200 countries killing more than 33000 lives so far. Scientists and medical researchers are yet to find any cure or vaccine for the deadly virus. The World Health Organisation (WHO) declared Covid-19 a pandemic in March. The organisation defines pandemic as the worldwide spread of a new disease. Prior to the COVID-19 pandemic the world had witnessed a number of pandemics of diseases. Some were