Covid-19: Knowing the Instruments of Household Hygiene
By Drs. Chan Siok Yee, Tan Jun Jie, Shangeetha Ganesan
August 2020VOICES OF USM
A VIRUS, often measuring one nanometre in size, is invisible under a common light microscope, to say nothing of the naked eye.Each virus is unique but relies on living cells to host its reproduction. This is achieved using a lock-and-key mechanism, e.g. the virus functions as a “key” that unpicks the “lock” that is the surface of the host cell. Upon gaining entry, the virus either takes over and makes use of the host cell’s resources to replicate, or it...
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