Vaccination is the administration of a vaccine to help the immune system develop immunity from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism. In stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease. When a sufficiently large percentage of a population has been vaccinated, herd immunity results. Herd immunity protects those who may be immunocompromised and cannot get a vaccine because even a weakened version would harm them. Mar 20, 2020 · Talk to your health-care provider to find out what vaccinations are needed for you and your family. WHO is working with countries and partners to improve global vaccination coverage, … Oct 22, 2025 · Vaccines protect us throughout life and at different ages, from birth to childhood, as teenagers and into old age. In most countries you will be given a vaccination card that tells you what … Dec 18, 2025 · Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them. It uses your body’s natural defences to build … Feb 25, 2025 · This article is part of a series of explainers on vaccine development and distribution. The … Jul 15, 2025 · Vaccination is one of the most effective ways to prevent diseases. Over the past 50 years, essential vaccines against just 14 diseases have saved at least 154 million lives (1). During the same … Oct 8, 2024 · Getting vaccinated: Specific advice Take whatever vaccine is made available to you, even if you have already had COVID-19. Hybrid immunity (protection from both vaccination and COVID-19 ….
Vaccinations
Vaccination is the administration of a vaccine to help the immune system develop immunity from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism. In stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease. When a sufficiently large percentage of a population has been vaccinated, herd immunity results. Herd immunity protects those who may be immunocompromised and cannot get a vaccine because even a weakened version would harm them. Mar 20, 2020 · Talk to your health-care provider to find out what vaccinations are needed for you and your family. WHO is working with countries and partners to improve global vaccination coverage, … Oct 22, 2025 · Vaccines protect us throughout life and at different ages, from birth to childhood, as teenagers and into old age. In most countries you will be given a vaccination card that tells you what … Dec 18, 2025 · Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them. It uses your body’s natural defences to build … Feb 25, 2025 · This article is part of a series of explainers on vaccine development and distribution. The … Jul 15, 2025 · Vaccination is one of the most effective ways to prevent diseases. Over the past 50 years, essential vaccines against just 14 diseases have saved at least 154 million lives (1). During the same … Oct 8, 2024 · Getting vaccinated: Specific advice Take whatever vaccine is made available to you, even if you have already had COVID-19. Hybrid immunity (protection from both vaccination and COVID-19 ….
