The filter is applied to entire content of a given tag and its subtags, here is the example for HN (has-text must be site-specific):

    news.ycombinator.com##.itemlist .athing:not(.comtr):has-text(/corona|covid|\bsars\b|(?:epi|pan)demi|virus|death|social distanc|\bICU\b|wuhan|quarantin/i)+*
    news.ycombinator.com##.itemlist .athing:not(.comtr):has-text(/corona|covid|\bsars\b|(?:epi|pan)demi|virus|death|social distanc|\bICU\b|wuhan|quarantin/i)