The phrase "sudden sickness" refers to a situation where someone unexpectedly becomes ill or unwell without any prior warning or symptoms. Full definition
You travel insurance covers the costs incurred during medical emergencies such as sudden sickness, injury or death. (policybazaar.com)
Anyone may experience any sudden sickness or health - related problem. (insurancesource.info)
Sanchez should have make his point clear if for his respect to prevail, what manner of right when his manager announces his due date for training yet in just less than 5 hrs he creates sudden sickness? (justarsenal.com)