The world’s richest man has apparently tested positive for the world’s most prevalent virus.

In his often-cryptic style, Tesla and SpaceX CEO Elon Musk, a vaccinated father of 7 whose eligible children have also reportedly received the jab, provided the following update to his nearly 80 million Twitter followers:

“Covid-19 is the virus of Theseus. How many gene changes before it’s not Covid-19 anymore? I supposedly have it again (sigh), but almost no symptoms.”