Hello Dr. My mother is 67 years old. Since last 10 days she is have mild fever every evening 99.2 in armpit. As you give paracetamol it goes quickly and does come again next day with same temperature. Her oxygen levels are 98- 99 through out these days. As fever is not subsiding dr. Suggested Covid test. I need your valuable advise. Which test is more reliable and accurate for covid. Plz guide. Thank u 🙏