Likely, lax standards, highly infectious, no symptoms -> A researcher got infected unknowingly. China will say 1)wasn't them 2) it was US Viruses can live on hard surfaces (metal, glass, door knobs) with cold an humidity. Less than 10% humidity kills viruses. CV for 9 days disinfectants with 62-71% ethanol, 0.5% hydrogen peroxide or 0.1% sodium hypochlorite (bleach) can "efficiently" inactivate coronaviruses within a minute remdesivir, treats it. CA has a vaccine, HK made a vaccine, 40 other treatments in the works. By about april we'll see how well remdesivir works. Coronavirus may infect more men than women, smoking could ... https://www.businessinsider.com/coronavirus-cases-why-more-men... Even using it as a cover wouldn't be great, since secondary infection is more severe.