Study claiming new coronavirus can be transmitted by people without symptoms was flawed https://www.sciencemag.org/news/2020/02/paper-non-symptomatic-patient-transmitting-coronavirus-wrong?fbclid=IwAR22CHExHnMcQ7BOk84It3DjZdF9jqb5VN1pOclXP5AyuSr50juNFHQ29oU