Viruses and bacteria are both microorganisms, but they differ significantly in their structure, reproduction, and how they cause disease. Structure: Bacteria are single-celled organisms with a cell wall, cell membrane, cytoplasm, and genetic material (DNA) that is not enclosed in a nucleus. Viruses, on the other hand, are much simpler and are not cells. They consist of genetic material (DNA or RNA) enclosed in a protein coat called a capsid. Some viruses also have an outer lipid envelope. Reproduction: Bacteria can reproduce independently through a process called binary fission, where one bacterium divides into two identical daughter cells. Viruses cannot reproduce on their own; they are obligate intracellular parasites, meaning they must infect a host cell and hijack its machinery to replicate themselves. Treatment: Bacterial infections can often be treated with antibiotics, which target specific structures or processes in bacterial cells. Viral infections, however, are not affected by antibiotics. They are typically managed by antiviral medications* that interfere with viral replication, or by the body's own immune system. Vaccines are also a key tool for preventing viral diseases. Got more? Send 'em 📸