Health Concerns Force 10 Withdrawals at LPGA's Mizuho Americas Open

Defending champion Rose Zhang among those affected by illness as tournament officials monitor viral outbreak.

Seven players withdrew due to illness, including top competitors from various countries.
Defending champion Rose Zhang exited early due to severe intestinal pain.
Three players withdrew because of injuries, further depleting the field.
Alternates like So Mi Lee and Mao Saigo stepped up, now among the top contenders.
Officials suspect a viral infection, with several caddies and reporters also affected.