你咁講傷風同感冒同流感都3樣野啦
Flu: by influenza viruses
Common cold: by different viruses, including rhinoviruses, parainfluenza, and seasonal coronaviruses.
COVID-19: by a strain of coronavirus found in 2019
其實用virus 類別睇都係under coronavirus
Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV).
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多謝你喎
你唔問我都唔會睇睇個coronavirus tree
根本連nature 都係垃圾corona family