TheVoiceOfJoyce. After a year of study Scientists are United on what precautions to take to prevent Covid. Mask wearing, good air flow and social distancing work along with a quick Lockdown for several weeks. In lieu of a Lockdown, scientists are now advocating using the quick RapidTests proposed by Dr Michael Mina. They detect the virus in those who are asymptomatic and most infectious, contributing to 50% of the Covid carrying population

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