How to know the difference between SARS, MERS and COVID-19 ?

Must Important Facts You Should Know
SARS-CoVMERS-CoVCOVID-19
Severe Acute Respiratory Syndrome (SARS) caused by novel corona virus was first identified in the southern province of China in 2002. SARS-CoV is an animal virus.Middle East respiratory syndrome (MERS) caused by novel corona virus was first identified in Saudi Arabia in 2012.Corona Virus disease (COVID-19) is an infectious disease that was first identified in China in 2019.
SARS-CoV spread from bats to other animals and then infects the persons.Dromedary camels are the animal source for the cause for MERS-CoV infections in humans.Deadly virus spread from the animals in sea food market. (Wuhan, China).
Human-to-Human transmission rate is very low and is possible only in health care settingsHuman-to-Human transmission rate is very low and is possible only in health care settingsHuman-to-Human transmission rate is very high
SARS-CoV fatality rate – 10%.MERS-CoV fatality rate – 35%.Under Evaluation by WHO
Symptoms : Fever, Cough, headache, shortness of breath, malaise, myalgia, diarrhoea.Symptoms: Fever, cough, shortness of breath, diarrhoeaSymptoms: Fever, dry cough, headache, shortness of breath