Covid-19 infection could be without a symptom in quite few cases.
Cough,cold,high temperature, diarrhoea and breathlessness are some of the symptoms usually seen. Have gone out into crowded places recently? Are there any covid cases nearby? It may take 2-4 weeks for the infection to manifest.
Next Steps
Do not think too much about covid infection. Take all precautions while going out.If fever continues for more than 3 days ,take physician's consultation.