There are a lot of conditions which give symptoms like Covid apart from colds and flu.
Yes, According to What you need to know about coronavirus (COVID-19)
Symptoms of COVID-19 can range from mild illness to pneumonia. Some people will recover easily, and others may get very sick very quickly. People with coronavirus may experience symptoms such as:
- respiratory symptoms
- sore throat
- shortness of breath.
Other symptoms can include runny nose, headache, muscle or joint pains, nausea, diarrhoea, vomiting, loss of sense of smell, altered sense of taste, loss of appetite and fatigue.
So a night on some alcoholic beverages (my bolding) ?