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Mid-February must be Hepatitis A season, as nearly a year-to-the-day from the Wolfgang Puck scare that made rubber surgical gloves and gas masks the accessories of choice at awards season soirées comes another potentially devastating celebrity contagion. Ashton Kutcher celebrated his 30th birthday [ed. note: Again?] two weeks ago at a club in New York, but it's only just now surfaced that a waitress working there at the time was infected with the jaundicing disease, putting such luminaries in attendance as Madonna and Gwyneth Paltrow (and, to a lesser urgent-extent, Molly Sims and Rachel Zoe) at risk. Star magazine reports:

A waitress at the Feb. 7 party at New York club Socialista tested positive for hepatitis A, a source at the New York Board of Health confirms to Star.

"A report will go out tomorrow that everyone who was at the club at Feb. 7, 8 and 11 will need to be tested," says the source. Madonna, Kate Hudson, Bruce Willis, Lucy Liu, Liv Tyler, Gwyneth Paltrow, Eric Dane and Rebecca Gayheart celebrated with Ashton and his wife Demi Moore.

Other guests included Salma Hayek and her husband, Lake Bell, Molly Sims, Amy Smart, Ivanka Trump, Parker Posey, Ali Larter, stylist Rachel Zoe, and designer Roberto Cavalli.

We promise to bring you updates on the well-being of your favorite celebrities as we get them, and ask, at this difficult moment, that you save the lion's share of your prayers for two potential victims in particular: Having just overcome a cleanse-related bout of intestinal duress, and a very public battle with a malignant cold sore, we only ask God that the already compromised immune systems of unwitting attendees Paltrow and Dane not be further taxed by the potentially serious, fecal-matter-transmitted disease.