Knowledge of COVID-19 is changing almost daily through numerous scientific reports. We have been hearing new information regularly, sometimes contradictory due to constantly changing the scientific findings and results. At the commencement of the COVID-19 we were learnt that cough and fever were the unambiguous signs of COVID-19. Now we know that the disease can cause a wide variety of symptoms and even no symptoms at all. Many accurate facts about the disease remain unknown. Scientists do not have enough time to analyze the data and symptoms as they are busy in saving lives. Scientists are going too fast to understand the pandemic, causing more confusion to say whether Covid-19 is a killer disease.