Is there something wrong with my son? Is this a flu,pagngingipin or covid symtoms?

Hi mga mommy out there.pahelp naman,naguguluhan nako,My baby is 1 year old & 11months.Kagabi pa sya hindi nagdedede at ayaw din uminom ng tubig,mahina sya kumain ng solids,pero pag yogurt saka sweets like cake,kumakain sya.nag aalala ako baka madehydrate sya..Last 2 days ago nagtatae sya then nagsuka isang beses,medyo green like lumot kulay nito.Pinainom namin sya ng vivalyte saka erceflora.Meron ba dito same case.Anu kaya nangyari sa knya?nag-ngingipin lang ba sya o may something na??please help!natatakot naman ako dalhin agad sa ospital,baka sabihin covid agad.😟😟😟 #emotionalmom#respectpost ##pleasehelp #advicepls #prayingforhealthybaby