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  1. Bacterial vs. viral infections: How do they differ? - Mayo Clinic

    25 Samh 2025 · Viruses that become resistant to antivirals have affected treatment, including for genital herpes, HIV and, in 2008, for influenza (flu). Treating and preventing bacterial and viral infections In …

  2. Germs: Protect against bacteria, viruses and infections

    5 Márta 2024 · Viruses are responsible for causing many diseases, including: Common cold. Influenza. Measles. Chickenpox and shingles. Coronavirus disease 2019, also called COVID-19. Antibiotics kill or …

  3. Infectious diseases - Symptoms & causes - Mayo Clinic

    8 Aib 2025 · Bacteria, viruses, fungi and parasites are examples of organisms that can cause illness. Many organisms live in and on our bodies. They're too small to see with the eyes. And they're often …

  4. Influenza (flu) - Symptoms and causes - Mayo Clinic

    6 Noll 2025 · Influenza viruses are constantly changing, with new strains appearing often. A person's first flu infection gives some long-term protection against similar strains of flu. But the vaccines …

  5. Common cold - Symptoms and causes - Mayo Clinic

    24 Beal 2023 · Germs called viruses cause a common cold. Often, adults may have two or three colds each year. Infants and young children may have colds more often. Most people recover from a …

  6. Debunking COVID-19 myths - Mayo Clinic

    24 DFómh 2025 · No. Viruses can only spread between living beings and can't travel on radio waves and mobile networks. Most often, this myth calls out 5G mobile networks. But the COVID-19 virus has …

  7. Human metapneumovirus (HMPV): Symptoms and prevention

    19 Feabh 2025 · Human metapneumovirus (HMPV) is a seasonal virus that causes respiratory illness worldwide. Explore symptoms and ways to prevent infection.

  8. Viral gastroenteritis (stomach flu) - Mayo Clinic

    30 Aib 2025 · Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes fever. The most common way …

  9. COVID-19 vs. flu: Similarities and differences - Mayo Clinic

    22 DFómh 2025 · Coronavirus disease 2019 (COVID-19) and seasonal flu have many similarities and differences. Find out what to know and how to protect yourself from these diseases.

  10. Medical Diseases & Conditions - Mayo Clinic

    Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.