I feel Covid is transmitted via food (parasite). What did you both eat?
China owns large pork and chicken farms in the U.S. I would not discount what you drank either.
For this Anon and family, clean water (distilled/RO), clean food (organic, local, recognizable), clean air (avoid chem trails, run air purifiers in home), take vitamins and sweat every day… been covid free thus far (knock wood).
Get sun on your core as often as possible. In winter add Vit D. Recommend Quercetin. I choose to clean my gut with high quality wine, nightly.