On December 1, JYP Entertainment, the agency handling the singers has announced that that the two won't be participating in future promotions for the meantime. 

GOT7's Jackson wasn't able to attend the group's previous fan meeting and TWICE's Chaeyoung won't be [articipating in TWICE's Japan concert "TWICELIGHTS."

These statements were released after GOT7's Youngjae wasn't also able to attend the group's fan signing event due to health problems.

On the other hand, fans are worried that tons of idols are taking breaks due to health concerns and are hoping for their speedy recovery.