transmission of COVID-19
... that transmission of COVID-19 is known to occur through respiratory droplets, contaminated surfaces, kissing, and aerosol-generating medical procedures?
... that <b id="mwCcc"><a href="./Transmission_of_COVID-19" id="mwCcg" rel="mw:WikiLink" title="Transmission of COVID-19">transmission of COVID-19</a></b> is known to occur through <a href="./Respiratory_droplet" id="mwCck" rel="mw:WikiLink" title="Respiratory droplet">respiratory droplets</a>, contaminated surfaces, kissing, and <a href="./Aerosol-generating_procedure" id="mwCco" rel="mw:WikiLink" title="Aerosol-generating procedure">aerosol-generating medical procedures</a>?