<p>U.S. Centers for Disease Control and Prevention (CDC) on Monday updated its guidance saying Covid-19 can sometimes be spread by airborne transmission.</p>.<p>Some infections can be spread by exposure to virus in small droplets and particles that can linger in the air for minutes to hours, the CDC said.</p>
<p>U.S. Centers for Disease Control and Prevention (CDC) on Monday updated its guidance saying Covid-19 can sometimes be spread by airborne transmission.</p>.<p>Some infections can be spread by exposure to virus in small droplets and particles that can linger in the air for minutes to hours, the CDC said.</p>