WHO is working with partners all over the world to accelerate research and development of a safe and effective vaccine and ensure equitable access for the billions of people who will need it. But even with an expedited process, development of a vaccine for COVID-19 will take time.
The ongoing pandemic disrupts routine immunization services in many countries. When immunization services are disrupted, even for brief periods during emergencies, the risk of vaccine-preventable disease outbreaks, such as measles and polio, increase. Further disease outbreaks will also overwhelm health systems already battling the impacts of COVID-19.
WHO continues to support countries to maintain essential immunization for all vaccine preventable diseases. We issued guidance on immunization services during the COVID-19 pandemic, which provides guiding principles and considerations to support countries in their decision-making regarding provision of immunization services during the COVID-19 pandemic.
Reference:
https://www.who.int/china/news/feature-stories/detail/covid-19-what-we-know-about-the-future-covid-19-vaccines
https://internationalbanker.com/finance/what-a-covid-19-vaccine-means-for-the-global-economic-recovery/

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