Microbes like bacteria, fungus and viruses are becoming resistant to medicines like antibiotics. WHO has declared antimicrobial resistance as a global health and developmental threat. How can we stop antimicrobial resistance? Dr Hanan Balkhy explains in Science in 5.

A new WHO report shows that half of world's population suffers from diseases of teeth, gums or the mouth. Why is oral health important for everyone? What conditions can result from poor oral health? How can we maintain and improve oral health? Dr Benoit Varenne explains in Science in 5.

2023 will mark the 75th year of the World Health Organization. The world has achieved many public health milestones in these 75 years. In Science in 5 today we will take a look into the future - to understand what are the innovations we can expect and what will be some of our biggest challenges. Here to paint us a picture of what Health for All would look like in the future is WHO's Chief Scientist, Dr Soumya Swaminathan.

Half the health care facilities in the world do not have basic hygiene services. What are the points when you are most at risk of infection at a healthcare facility? How can you lower your risk of infection? WHO's Dr Richard Johnston explains in Science in 5.

What do we know so far about older adults and COVID-19 vaccines? How long does the effect of the vaccine last and how successful have countries been in vaccinating older adults? WHO's Dr Katherine O'Brien explains in Science in 5

How does WHO determine that an outbreak or an event constitutes a Public Health Emergency of International Concern? What actions does it trigger in countries? How does WHO decide that an outbreak no longer constitutes a Public Health Emergency of International Concern? WHO's Dr Carmen Dolea explains in Science in 5.

What are safe abortions? What makes abortions unsafe? When access to abortion is blocked legally does that impact the number of abortions? WHO's Dr Bela Ganatra explains in a Science in 5

What does it mean when polio virus is detected in the sewage of a City? Dr Zubair Wadood explains what it will take to eradicate polio from the planet in Science in 5.

What is the scope and future of mRNA technologies? Dr Soumya Swaminathan explains the challenges in rolling the technology out and safety of mRNA vaccines in Science in 5.

WHO's Dr Philippa Easterbrook gives a situation update on the recent hepatitis outbreak affecting children including possible causes and steps parents, caregivers and countries should take.