Good afternoon/morning! can you get the same bug different symptoms? past couple of days ive had diarrhoea and mild to moderate nausea and im still unwell, and my sister started feeling sick and now vomiting! is it the same thing or different??

Stomach Flu: Around Nov/Dec in Australia, stomach flu is seen commonly. It is highly contagious and lasts 2-3 days. It is spread through contact with an infected person or by ingesting contaminated food or water. Intestinal infection marked by watery diarrhea, abdominal cramps, nausea or vomiting, and sometimes fever. Treatment includes drinking electrolyte solutions, eating bananas, apples, rice, & toast.