Science in 5

WHO and partners are aiming to interrupt all remaining transmission of poliovirus in 2023. Will the world eradicate this debilitating disease in 2023? How far have we come in our efforts and what will it take to bring the cases down to zero? WHO's Aidan O'Leary explains in Science in 5 .

WHO has declared that the Public Health Emergency of International Concern for Mpox remains in effect. Dr Rosamund Lewis provides a status update, lessons learned from the response so far and elaborates on who is at risk in Science in 5 this week.

WHO's technical lead on COVID-19 talks to us about the status of the scientific work needed to find the origins of the SARS-CoV-2 virus. Dr Maria Van Kerkhove provides an update, explains why it is important to understand the origins of pandemics, what WHO's role is in achieving this and how WHO works to prevent future pandemics.

WHO's latest report is urging everyone to reduce salt in our diet. What happens when we consume too much salt? How would we know if we are consuming too much salt and what can we do to reduce it? WHO's Dr Francesco Branca explains in Science in 5.

What are the early signs of hearing loss? Can it be cured? What can you do to prevent hearing loss? Dr Shelly Chadha explains in Science in 5

WHO 's latest report highlights that one in six people in the world have significant disability and experience inequity. What are these inequities and how can we address them? WHO's Darryl Barrett explains in Science in 5

WHO is urging action by Governments and the food industry to remove trans fats from our food chain. Which foods contain trans fats? How do they harm us? WHO's Dr Farncesco Branca explains in Science in 5

How does the vaccine combat the Influenza virus? How does WHO track influenza across the world to decide the composition of the vaccine? WHO expert Dr Sylvie Briand also explains why we are seeing a spike in respiratory diseases in Science in 5

Why are we seeing a spike in respiratory diseases in children. What are the symptoms and red flags for parents? How can we protect our children and grown from these infections? WHO's Dr Wilson Were explains in Science in 5.

As we enter the 4th year of the Pandemic, what do we know about Omicron so far? Are there settings where you are more at risk? What does it mean to live with COVID-19 ? Dr Maria Van Kerkhove explains in Science in 5.

Is Measles making a comeback? Why are we seeing a resurgence of the diseases? What can parents do to protect children from Measles ? Dr Patrick O'Conner explains in Science in 5 this week.

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.

Which communities are most at risk of Monkeypox in the current outbreak and why? WHO's Andy Seale explains how we can support the communities at risk in Science in 5.

What do we know about sub variants of Omicron so far? Are they more transmissible? Do they cause more severe disease? How is the risk of infection being perceived by the experts and the public? WHO's Dr Maria Van Kerkhove explains in Science in 5.

WHO's World Mental Health Report says that mental health is the leading cause of disability. How did the pandemic impact our mental health? What are the signs and how can we keep ourselves mentally healthy? Dr Mark Van Ommeren explains in Science in 5.

What are the symptoms of Monkeypox? Who is at risk and how can we protect ourselves? Why is WHO concerned about it? WHO's Dr Rosamund Lewis explains in Science in 5.

What is genome sequencing and how does it help us track diseases? Why do countries need to continue genome sequencing in this phase of the pandemic? WHO's Chief Scientist Dr Soumya Swaminathan explains in Science in 5 .

What is WHO's recommendation for COVID-19 vaccines for children? What does the evidence tell us about safety of these vaccines for children? If you live in a country where this vaccine is not available to children, how can you keep your child safe from COVID-19? WHO's Chief Scientist Dr Soumya Swaminathan explains in Science in 5.

What are the new vaccines in the pipeline? What are the challenges to turning vaccines into vaccination ? What timelines can we expect for future vaccines? WHO's Dr Katherine O'Brien explains in Science in 5

How does WHO track variants for SARS CoV 2 , the virus that causes COVID-19? what are the challenges on the ground? What are variants WHO is tracking at this time? WHO's Dr Maria Van Kerkhove explains in Science in 5.

What have we learned about the symptoms of Long COVID or Post COVID-19 condition so far? How long does it last, when should you worry, and what treatments are recommended? WHO's Dr Janet Diaz explains in Science in 5.

WHO's Chief Scientists Dr Soumya Swaminathan explains how our body develops immunity against a new virus. How is immunity developed when we are infected with SARS-CoV-2 virus? How is it different from vaccine derived immunity? Why is it important to continue to wear masks, ventilate closed spaces, avoid crowds, wash hands and observe all other precautions?

Why does WHO consider air pollution a public health emergency? If you live in highly polluted areas does COVID-19 affect you differently? WHO's Dr Maria Neira explains in science 5.

Are you aware of the medical waste generated during the pandemic? How does it impact your health and what can you do to reduce it? WHO's Dr Margaret Montgomery explains in Science in 5.

If Omicron is less severe, why are people ending up in the hospital and dying from it? Is it true that everyone will eventually get Omicron? Why is it important to reduce transmission? WHO's Dr Maria Van Kerkhove explains in Science in 5.

What do we know about Omicron variant so far? WHO's Dr Maria Van Kerkhove updates on the transmissibility, severity, symptoms and ways to protect yourself in Science in 5.

How has the pandemic impacted the fight against Polio? How has the polio infrastructure helped the fight against COVID-19? Why is it important that the world doesn't take its eyes off polio? Sona Bari explains in Science in 5 this week.

What have we learned about COVID-19 and antibiotics so far? What happens when antibiotics are not taken according to prescription or are used irrationally? When are antibiotics prescribed in the course of COVID-19 treatment? Dr Hanan Balkhy explains in Science in 5 this week.

How big a public health problem is lead poisoning? What are the sources of lead poisoning and who are at risk? What can you do to protect yourself? WHO's Lesley Onyon explains in Science in 5 this week.

How would you know if you have the flu or COVID-19? Should you take both flu vaccine and the COVID-19 vaccine if these are available to you? How does WHO decide on the composition of the flu vaccine? Dr Sylvie Briand explains in Science in 5 this week.

If you have Tuberculosis, what is your risk from COVID-19? How can you keep yourself safe during the pandemic? Why is it important that the world does not take its eyes off TB during the Pandemic? Dr Tereza Kasaeva explains in Science in 5 this week.

Learn about the first Malaria vaccine. Who should receive this vaccine? What are the challenges of rolling out a Malaria vaccine in the midst of a pandemic? Dr Pedro Alonso explains in Science in 5 this week.

What have we learned about air pollution and COVID-19? Learn about six air pollutants that are harming your health. Dr Maria Neira explains findings from WHO's new air quality guidelines in Science in 5.

What steps should a school take to keep students and staff safe from COVID-19? What about vaccination? How can families and communities keep themselves safe as schools reopen? Dr Maria Van Kerkhove explains in Science in 5 this week.

Many countries are using the approach of mixing vaccine doses from different manufacturers. What do we know about the safety and efficacy of this approach? What does the evidence tell us about using a fraction of the vaccine dose ? Dr Katherine O'Brien explains in Science in 5 this week.

What does evidence say so far about safety and effectiveness of booster shots? Are their groups who may need them? Should the world be considering booster shots at this stage of the pandemic? Dr Katherine O'Brian explains in Science in 5 this week.

Are you planning to quit tobacco during the pandemic? What risk does COVID-19 pose to a tobacco user? Learn how the tobacco industry lured people to consume tobacco during the pandemic. Dr Hebe Gouda explains the health benefits of quitting tobacco in Science in 5.

If you have COVID-19, is it safe to breastfeed your baby? Is it safe to get vaccinated against COVID-19 if you are breastfeeding? How can you keep your baby safe while breastfeeding if you have COVID-19? Dr Laurence Grummer- Strawn explains in Science in 5.

If you had COVID -19 do you still need the vaccine? How long should you wait after recovery to get vaccinated? What do we know about natural immunity vs vaccine induced immunity? WHO's Chief Scientist Dr Soumya Swaminathan explains in Science in 5 this week.

If you are fully vaccinated can you still get COVID-19? How frequent are breakthrough infections and what does COVID-19 look like if you are fully vaccinated. WHO's Dr Kate O'Brien explains in Science in 5. No matter whether you are vaccinated against COVID-19 or are still waiting, keep following these precautions to protect yourself and others: Avoid crowds Keep physical distance Wear a mask Open windows Wash your hands

If you are living with HIV, what are your risks? Should you be prioritized for vaccination? Are vaccines safe for you? WHO's Dr Meg Doherty explains in Science in 5.