Marussia-Virgin driver Timo Glock has been taken to hospital in Switzerland with suspected appendicitis.
The German was successfully operated on, and is not expected to miss any Grands Prix, but is unlikely to appear at the final pre-season test in Barcelona.
Glock used his Twitter account to thank fans for their support:
- @realTimoGlock - "Hello everyone thanks for all the great messages that helps recovery :-) ! Greetings from the Hospital to everyone !!!Will be back soon Timo"
To follow Timo, visit www.twitter.com