Conversation so far:
What happened in 1973 involving Eddy Merckx?
An illness prevented Eddy Merckx from taking part in the Milan–San Remo at the start of the 1973 calendar.
Was Eddy Merckx hospitalized?
On 13 October 2019, Eddy Merckx was hospitalised after a cycling accident, having suffered a haemorrhage and being unconscious for a while. He was released a week later.
What happened after the illness that Eddy Merckx had?
During a span of nineteen days, Eddy Merckx won four classics including Omloop Het Volk, Liège–Bastogne–Liège, and Paris–Roubaix.

Question: Did he become ill again?
Self-contained rewrite: Did Eddy Merckx become ill again?