you have been attacked by an virulent virus(mostly influnza),which has done damege along eustachian tube that connects nasal cavity
to middle ear. so you had shevering lasted for10min,thing here is you must be having good immunity,that could be reason why virus didn't make you muchshevering again& fever
,mainly this type of viral attack is common during climate change&YOR JUST 28, STRESS
DOES'T AFFECT YOU MUCH UNLESS YOU SEDENTIARY,BE HAPPY& NOTHING TO WORRY,NO SUPPLIMENTATION&NO DRUGS,TAKE GOOD&ENOUGH PROTEIN RICH DIET.