While waiting for the most important results, Leo undergoes further tests.
The doctors rule out toxoplasmosis, cytomegaly, cystic fibrosis, EBV infection, heart defects, vascular ring anomalies, hypothyroidism, phenylketonuria and dozens of other unusual diseases with names that tell Leoparents little.

Every negative result is, on the one hand, good news.
On the other, it inevitably brings them closer to the curse.