good morning friend, i advise you :
1 Local hygiene. After each feed offer a few sips filtered water to drink. This is to keep mouth clean
2. Apply nystatin oral solution locally 2-3 times a day. at least for 5days.
3 keep hydration . plenty of water
Next Steps
with current problem of mosquito , lot of cases malaria and dengue have been reported, either usenet or mosquito repellent.
Health Tips
sun bath is goodfor infants. Take care of all precautions against covid. , mask,distancing, hand wash, and sanitization of hard surface.. any problem , take appointment for consul