Help me solve this mystery..

Please help me understand what's happening in my home.
Left to right, test 1 is of a household member who is not symptomatic at all and appears negative. Test 2, Middle, is of a household member who is symptomatic (for 3-4 days now), and as you can see is testing negative. Test 3, right, is me - super symptomatic, day 5/6 now and this test is maybe 30 seconds in - positive.

How can member #2 be testing negative when they are very clearly symptomatic? What am I missing?

For clarity - all were done with back of throat + nostril swab. Thx in advance.

Please help me understand what's happening in my home.
Left to right, test 1 is of a household member who is not symptomatic at all and appears negative. Test 2, Middle, is of a household member who is symptomatic (for 3-4 days now), and as you can see is testing negative. Test 3, right, is me - super symptomatic, day 5/6 now and this test is maybe 30 seconds in - positive.

How can member #2 be testing negative when they are very clearly symptomatic? What am I missing?

For clarity - all were done with back of throat + nostril swab. Thx in advance.