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This article is part of a series of explainers on vaccine development and distribution. Learn more about vaccines – from how they work and how they’re made to ensuring safety and equitable access – in WHO’s Vaccines Explained series. Vaccines are supported by decades of medical research. ... more
WHO's 'Vaccine Explained' series features illustrated articles on vaccine development and distribution. Learn more about vaccines from the earliest of research stages to their rollout in countries.
24 May 2021
Available in English, German, French and Italian
27 May 2021 COVID-19 vaccines teach our immune systems how to recognize and fight the virus that causes COVID-19. Sometimes this process can cause symptoms, such as fever. These symptoms are normal and are signs that the body is building protection against the virus that causes COVID-19
Issue Brief no. 16. 20 Sept 2021. Many studies have shown the effectiveness of vaccination against COVID-19 and that it protects against severe illness. A high vaccination rate is needed to combat the pandemic worldwide. Due to misinformation and myths, there is still a great hesitancy to vaccina ... more
Cet article fait partie d’une série d’explications à propos de la mise au point et de la distribution des vaccins. Available in different languages
La série « Les vaccins expliqués » de l’OMS présente des articles illustrés sur la mise au point et la distribution des vaccins, pour en savoir plus sur ces derniers, depuis les toutes premières étapes de la recherche jusqu’à leur déploiement dans les pays.
12 mai 2021
MEDBOX Dossier no. 16. 28 Sept 2021. De nombreuses études ont montré l'efficacité de la vaccination contre le COVID-19 et le fait qu'elle protège contre les maladies graves. maladie grave. Un taux de vaccination élevé est nécessaire pour combattre la pandémie dans le monde entier. En raiso ... more
SARS-CoV-2 infections among children and adolescents cause less severe illness and fewer deaths compared to adults. While a less severe course of infection is a positive outcome, there are concerns that mild symptoms may have led to less testing, resulting in fewer identified cases of COVID-19 in ch ... more
Les infections au SRAS-CoV-2 chez les enfants et les adolescents provoquent une maladie moins grave et moins de décès que chez les adultes. Bien qu'une évolution moins grave de l'infection soit un résultat positif, on s'inquiète du fait que des symptômes légers aient pu conduire à moins de t ... more
SARS-CoV-2 infections among children and adolescents cause less severe illness and fewer deaths compared to adults. While a less severe course of infection is a positive outcome, there are concerns that mild symptoms may have led to less testing, resulting in fewer identified cases of COVID-19 in ch ... more
SARS-CoV-2 infections among children and adolescents cause less severe illness and fewer deaths compared to adults. While a less severe course of infection is a positive outcome, there are concerns that mild symptoms may have led to less testing, resulting in fewer identified cases of COVID-19 in ch ... more
WHO's 'Vaccine Explained' series features illustrated articles on vaccine development and distribution. Learn more about vaccines from the earliest of research stages to their rollout in countries. Availble in different languages
Manual for Death Surveillance in the Context of Pediatric Multisystemic Inflammatory Syndrome (SIM-P) Associated with Covid-19. Publication updated on 24/09/2021