Vaccines; vaccine adjuvants; medical, biological, and pharmaceutical preparations for medical use, namely, preparations containing messenger RNA for preventing and treating viruses and respiratory disorders; mRNA-based therapeutics and therapeutic agents for in vivo, ex vivo, or in situ prevention and treatment of viruses and respiratory disorders; lipid nanoparticles for pharmaceutical, medical or diagnostic purposes; drug carriers for medical use, namely, lipid nanoparticles for delivering ...