Photovirucidal

<a href="https://en.m.wiktionary.org/wiki/virucidal" title="virucidal" style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Lato, Helvetica, Arial, sans-serif; vertical-align: baseline; background: none rgb(255, 255, 255); text-decoration-line: underline; color: rgb(250, 167, 0);">Virucidal</a><span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Lato, Helvetica, Arial, sans-serif;">&nbsp;only (or especially) in the presence of&nbsp;</span><a href="https://en.m.wiktionary.org/wiki/light" title="light" style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Lato, Helvetica, Arial, sans-serif; vertical-align: baseline; background: none rgb(255, 255, 255); color: rgb(107, 75, 161);">light</a><span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Lato, Helvetica, Arial, sans-serif;">.</span>