5 Pharmaceutical products for the treatment of diseases, namely, infectious diseases and Alzheimer disease and other neurodegenerative diseases and cancer; chemical and biological reagents for medical use for diagnostics, namely, chemical and biological reagents for use in tests based on blood or biological biomarkers enabling the identification of patients affected by diseases or being at risk of developing a disease and for enabling the identification of patients responding to specific personalized medical treatments; biological acidic products and preparations for pharmaceutical purposes, namely, pharmaceutical preparations for diagnosing diseases, namely, infectious diseases and Alzheimer disease and other neurodegenerative diseases and cancer; capsules sold empty for medicines and diagnostic tests; chemico-pharmaceutical preparations for diagnosing, preventing and treating diseases, namely, infectious diseases and Alzheimer disease and other neurodegenerative diseases and cancer; biopharmaceutical products for diagnosing, preventing and treating diseases, namely, infectious diseases and Alzheimer disease and other neurodegenerative diseases and cancer; chemical preparations for medical, pharmaceutical or veterinary purposes, especially chemical preparations for diagnosing diseases and in particular infectious diseases, neurodegenerative diseases and cancers; medical and clinical diagnostic products, namely, beads, microspheres, nucleic acid or antigen banks, nucleic acids, antigens on beads, or on microspheres, on biochips or on other media; DNA libraries, RNA libraries and antigen libraries, namely, biological materials in the nature of tissue and samples of blood for medical diagnosis and companion diagnosis for medical purposes; nucleic acid or antigen sequences, namely, biological materials intended for medical use and medical diagnosis, namely, for decoding the genes and proteins affected by diseases or revealing the transcriptomic signature of patients affected by diseases and for the detection of specific antibodies produced by patients affected by diseases; enzymes or enzyme preparations for medical or veterinary purposes, namely, enzyme stabilizers and enzymatic substrates for use as ingredients in medicines for the treatment of diseases; chemical reagents for medical use contained in diagnostic testing kits for collecting biological samples required for the preservation of the biological material under analysis to carry out the test in appropriate conditions