Morgan Stanley is asking anyone who is attending its technology, media and telecom conference in California next week to report whether he or she visited several countries that have reported coronavirus cases in recent weeks.

A bank spokesman confirmed that the bank is asking attendees to confirm online before next week’s conference that they have not traveled to or been in close contact with anyone who has traveled to China, Italy, Japan or South Korea since Feb. 16.

The conference is to be held from March 2 to March 5 in San Francisco.