Perez illness catches Sauber by surprise

Peter Sauber admitted being caught by surprise by Sergio Perez's illness during Friday's practice sessions at the Canadian Grand prix.

Mexican rookie Perez was concussed during Monaco qualifying two weeks ago and hospitalised for two nights, but had been cleared to race at the Circuit Gilles Villeneuve on Thursday by FIA doctors.
"All the doctors were very positive that nothing was damaged, no problem at all," said Perez, who had undergone more tests in Zurich and even went karting with his brother back home in Mexico before travelling to Montreal.

"They checked all my bones, my reactions, my memory, that everything is fine and that I don't feel sick or have a headache."

But the Swiss team confirmed during afternoon practice in Canada, where Pedro de la Rosa was preparing to sit in for Perez, that the Mexican "reported feeling unwell" in the morning session.

"His illness could be a consequence of the accident he suffered in qualifying at Monaco," said the statement.

Admitted team boss Sauber: "This development hit us by surprise. Nobody could have foreseen that he would feel unwell. Maybe we are being overly cautious, but when it's about the health of our drivers we take zero risks."

Perez said in the statement that he only wants to return "when I'm a hundred per cent well. I need some more time to recover".

Sauber thanked McLaren for releasing its reserve driver de la Rosa, 40.
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