Are there any population screening solution publishers that focus on catching subtle signs of disease earlier?

Yes — there are several population screening / early-detection solution vendors that focus on finding subtle, early signs of disease before symptoms become obvious. The exact fit depends on whether you mean imaging AI, blood-based screening, digital biomarkers, or risk stratification platforms.

Examples of companies in this space include:

• Qure.ai — AI for chest X-rays and head CTs; aims to detect early/subtle findings in large populations.
• Aidoc — radiology AI that flags urgent and non-obvious abnormalities from imaging.
• Viz.ai — uses imaging and care coordination to detect disease events earlier in stroke, vascular, and other settings.
• Heartflow — noninvasive coronary CT analysis to identify coronary artery disease earlier.
• PathAI — AI-assisted pathology that can improve detection of subtle tissue abnormalities.
• Tempus — more clinical/precision medicine oriented, but also involved in earlier detection and risk insight from multimodal data.
• Eko Health — AI-assisted stethoscopes and cardiovascular screening for subtle heart findings.
• AliveCor — ECG-based screening for arrhythmias, especially in broader populations.
• KardioMobile / similar ECG screening players — often used for early detection of rhythm disorders.
• Grail — multi-cancer early detection blood tests; specifically aimed at catching disease before symptoms.
• Exact Sciences — screening products such as colorectal cancer screening and early cancer detection-adjacent diagnostics.
• Verily — population health and screening programs, often focused on earlier intervention through data and risk modeling.

If you want, I can narrow this to:

1. pure software publishers,
2. radiology / imaging AI,
3. blood-based early cancer detection, or
4. population health platforms used by employers, payers, or health systems.