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Episode #79 - Is poliovirus making a comeback? What does it mean when poliovirus 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.

Episode #78 - mRNA technologies mRNA technologies. What is their future and scope, and what are the challenges that countries might face in rolling them out? Hello and welcome to Science in5. I'm Vismita Gupta-Smith. We are talking to Dr. Soumya Swaminathan today. Soumya, talk to us about mRNA technologies. What is the future?

Episode #77 - Hepatitis outbreak in children 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.

Episode #77 - Hepatitis outbreak in children 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.

Episode #76 - Monkeypox: Who is at risk? 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.

Episode #75 - Omicron sub variant risk 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

Episode #74 - Mental Health 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.

Episode #73 - Monkeypox 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.

Episode #72 - Genome Sequencing 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 .

Episode #71 - COVID-19 vaccines and children What are WHO's recommendations for COVID-19 vaccines and children? And what does the evidence say so far about the safety of these vaccines in children? And if you live in a country where this vaccination is not available for your kids, how can you keep them safe? WHO’s Dr Soumya Swaminathan explains in Science in 5.

Episode #70 - Upcoming new vaccines 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.

Episode #69 - COVID-19: Tracking variants 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.

Episode #68 - COVID-19: Update on Long COVID 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.

Episode #67 - Understanding immunity 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?

Episode #66 - Air pollution, a public health emergency 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 in 5.

Episode #65 - Medical waste 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.

Episode #64 - Why are experts concerned about Omicron? 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.

Episode #63 - Omicron variant 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.

Episode #62 - Polio & COVID-19 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.

Episode #61 - COVID-19 & Antibiotics 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.

Episode #60 - Lead poisoning prevention 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.

Episode #59 – Flu & COVID-19 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.

Episode #58 – TB & COVID-19 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.

Episode #57 – Malaria vaccine 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.

Episode #56 – Air pollution 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.

Episode #55 - Keeping schools safe 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.

Episode #54 - Mixed and fractional vaccine doses 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.

Episode #53 - Booster shots for COVID-19 What does evidence say so far about safety and effectiveness of booster shots? Are there 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

Episode #52 - Tobacco & COVID-19 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.

Episode #51 - Breastfeeding & COVID-19 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.

Episode #50 - Do I still need the vaccine if I had COVID-19? 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.

Episode #49 - Can I get infected after vaccination? 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.

Episode #48 - HIV & COVID-19 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.

Episode #47 - Post COVID-19 condition If you have recovered from COVID-19 but are still experiencing certain symptoms you could have post COVID-19 condition or "long COVID". What are these symptoms? How long do they last and are there any treatment options? Dr Janet Diaz explains in Science in 5.

Episode #46 - Diabetes & COVID-19 If you are living with diabetes, what is the risk that COVID-19 poses to you and how can you stay safe and healthy during the pandemic? WHO’s Dr. Gojka Roglic explains in Science in 5.

Episode #45 - Delta variant What do we know about the Delta variant so far? How can we assess our risk? What strategies should we apply to protect ourselves whether we are in a low vaccination or high vaccination setting? WHO’s Dr Maria Van Kerkhove explains in Science in 5.

Episode #44 - Delta variant and vaccines Do the current batch of approved vaccines protect us from the Delta variant? What is the level of protection? If you can still get infected even after being fully vaccinated, then why should we vaccinate? WHO’s Chief Scientist Dr Soumya Swaminathan explains in Science in 5.

Episode #43 - Pregnancy & COVID-19 What advice does WHO have for women who are pregnant or are planning pregnancy during the pandemic? What should a woman expect for her care during childbirth and pregnancy at this time? What if a woman gets COVID during her pregnancy? Are there any additional risks to her or her baby? WHO’s Dr Özge Tunçalp explains in Science in 5.

Episode #42 - Vaccines and children Why does WHO recommend at this time, in June 2021, that vaccinating children is not a priority? When would their vaccination be prioritized? How is safety of these vaccines ensured? WHO’s Chief Scientist Dr Soumya Swaminathan explains in Science in 5.

Episode #41 - Vaccines, pregnancy, menstruation, lactation and fertility What is the guidance for vaccination of women with breastfeeding infants, women who are pregnant or planning to get pregnant and women who are menstruating? What about vaccines and fertility? WHO’s Dr Soumya Swaminathan explains in Science in 5.

Episode #40 - Transmission indoors and outdoors How does SARS-CoV-2 , the virus that causes COVID-19 , spread from one person to another? How can you keep yourself safe indoors and outdoors? WHO’s Dr Oliver Morgan explains in Science in 5.

Episode #39 - Update on virus variants What are the variants circulating at this time? How are variants classified as variants of interest or concern? What does this mean for the public? Dr Maria Van Kerkhove explains in Science in 5 this week.

Episode #38 - Current Global trends What is data telling us about the spread of COVID-19 around the world? What does evidence tell us about transmission in populations that are vaccinated? WHO’s Dr Oliver Morgan explains in Science in 5 this week.

Episode #37 - Treatment and care at home If you have COVID-19 and are caring for someone or yourself at home, what is the treatment protocol? What is WHO’s guidance on Remdesivir and convalescent plasma therapy? How to monitor oxygen at home and what are the red flags when you should call the doctor? WHO’s Dr Janet Diaz explains in Science in 5.

Episode #36 - Safe care at home If you are caring for yourself or a loved one at home, how can you keep everyone safe? Who should be cared for at home? How to prevent COVID-19 infection to other family members? What red flags should you look for that tell you it is time to contact the health care provider? WHO’s Dr April Baller explains in Science in 5.

Episode #35 - Which vaccine should I take and what about side effects? If you have the choice of more than one vaccine and are wondering which one to take and how to assess the risk of side effects, this episode of Science in 5 with WHO’s Dr Katherine O’Brien is for you.

Episode #34 - Vaccines, variants & mass gatherings How much protection does the current batch of COVID-19 vaccines provide us? Would you need a booster shot for new variants? What do science and evidence tell us about mass gatherings and the spread of COVID-19? WHO’s Chief Scientist Dr Soumya Swaminathan explains in Science in 5 this week

Episode #33 - Medical oxygen Medical oxygen is an essential medicine in the treatment of COVID-19. How is it used? Why is there a shortage in some countries and what are WHO, partners and Governments doing about it? WHO’s Dr Janet Diaz explains in Science in 5.

Episode #32 - Equity in vaccines, treatment and tests In our unequal world, how does inequity impact our fight against COVID-19? How can we address it? WHO’s Dr Mariângela Simao explains in Science in 5 this week.

Episode #31 - Vaccines, variants & doses If you have already had COVID-19 do you still need both doses of the vaccine? Do these vaccines protect you against infection? Do they protect us against variants? WHO’s Dr Katherine O’Brien answers these questions in Science in 5 this week.

Episode #30 - Vaccines-when and why? If you have been wondering when you would receive your vaccine? Why you should get vaccinated and are concerned about what your are hearing about side effects, this episode of Science with 5 with WHO’s Chief Scientist Dr Soumya Swaminathan is for you.

Episode #29 - Developing WHO’s public health advice In this week’s episode, WHO’s Dr. John Grove explains how WHO brings the best evidence together to develop health guidance for the world.

Episode #28 - Evolution of the SARS-CoV-2 virus What is the latest information on the SARS-CoV-2 virus variants? How is WHO tracking these virus mutations globally and how do we know which ones are important? Answering these questions in this episode of Science in 5 is WHO's Dr. Maria Van Kerkhove.

Episode #27 - Vaccine, variants & herd immunity As new variants emerge people are wondering if they should wait until a more efficacious vaccine is available or if they should go ahead and get vaccinated now? Answering your questions on COVID-19 vaccines and variants in this episode of Science in 5 is WHO's Dr Soumya Swaminathan.

Episode #26 - Vaccine dosage How far apart should the doses of vaccines be? What if I miss my second dose? Can I get two doses from two different manufacturers? How was safety of vaccines ensured? WHO’s Chief Scientist, Dr Soumya Swaminathan explains in Science in 5.

Episode #25 - Vaccines explained If you have had COVID-19, should you still get vaccinated ? Why are we not vaccinating children under 16? WHO’s Chief Scientist Dr Soumya Swaminathan explains these and other vaccine related questions in Science in 5 this week.

Episode #24 - Vaccine myths vs science WHO’s Dr Katherine O’Brien busts some vaccine myths related to infertility, DNA and composition of vaccines in this week’s Science in 5.

Episode #23 - I am vaccinated, what next? If you already got your COVID-19 vaccine, are you wondering when the immunity kicks in and how long it lasts? Can you still catch COVID-19 and can you infect others? How long do you need to take precautions after vaccination? WHO’s Dr Kate O’ Brien answers one Science in 5.

Episode #22 - Children & COVID-19 - 22 January 2021 Are the symptoms of COVID-19 different in children? Do the new variants impact children differently? What can parents do to keep children safe from COVID-19. WHO's Dr Maria Van Kerkhove explains in Science in 5.

Episode #21 - COVID-19 - Origins of the SARS-CoV-2 virus - 14 January 2021 Why is it important for scientists to look for the origins of the virus? How do scientists look at the claim that the virus originated in a laboratory? More about the team which is looking for the origins of the virus that causes COVID-19. Dr Peter Ben Embarek leads this team and explains in Science in 5.

Episode #20 - COVID-19 - Variants & Vaccines - 8 January 2021 How concerned should we be about the new variants of SARS CoV 2 which cause COVID-19? Is it unusual for viruses to change and mutate? Do vaccines protect against these variants and what can you do to protect yourself? WHO’s Chief Scientist Dr Soumya Swaminathan explains in Science in 5

Episode #19 - COVID-19 - Prolonged symptoms after COVID -19 - 30 December 2020 Are you experiencing symptoms after recovery from COVID-19? WHO’s Dr Janet Diaz explains what we know so for about prolonged symptoms in Science in 5.

Episode #18 - COVID-19 - Immunity after recovery from COVID-19 - 23 December 2020 How long does your immunity last after you recover from COVID-19? Can you get reinfected? Why do you need to continue with preventative measures? Dr Maria Van Kerkhove explains on Science in 5.

Episode #17 - COVID-19 - Vaccine approvals - 11 December 2020 As vaccines get approved by national authorities, learn about National and WHO approval processes for vaccines and how safety is ensured during emergency approval of vaccines. Dr Mariângela Simão explains in Science in 5.

Episode #16 - COVID-19 - How vaccines work? - 11 December 2020 How do vaccines work to protect us? What are the vaccine technologies in the pipeline and how do we ensure safe vaccines? Dr Katherine O’ Brien explains in Science in 5

Episode #15 - COVID-19 - Vaccine distribution - 4 December 2020 Now the world is getting closer to a vaccine for COVID-19, how will these vaccines reach you? WHO’s Dr Katherine O’Brien explains COVID-19 vaccine distribution in Science in 5.

Episode #14 - COVID-19 - Tests - 27 November 2020 What kind of COVID-19 tests are available? What are antigens and antibodies? What about the accuracy of these tests? WHO’s Dr Hanan Balkhy explains COVID-19 tests in Science in 5

Episode #13 - COVID-19 - Vaccine trials - 20 November 2020 Learn what scientists look for in the different phases of a clinical trial for a vaccine. What does it mean when a vaccine trial is halted due to an adverse event? WHO’s Dr Kate O’Brien explains in Science in 5 this week.

Episode #12 - Safe celebrations during the Pandemic - 13 November 2020 How can we celebrate the Holidays safely? Who are the high risk members in our families and communities and how can we keep them safe? What about travel during the holidays? WHO’s Chief Scientist explains in Science in 5.

Episode #11 - Antibiotics & COVID-19 - 6 November 2020 Why are experts concerned about COVID-19 and antibiotics? And what can you do about it? Learn about antibiotics and COVID-19 from WHO’s Dr Hanan Balkhy in Science in 5

Episode #10 - Ventilation & COVID-19 - 30 October 2020 How important is ventilation and how does it keep you safe from COVID-19? WHO’s Dr Maria Neira explains in Science in 5.

Episode #9 - Air pollution & COVID-19 - 23 October 2020 How does air pollution affect our body during the pandemic ? Learn about air pollution and COVID-19 from Dr Maria Neira in Science in 5.

Episode #8: Myth vs Science - 16 October 2020 Dr Sylvie Briand busts myths about COVID-19 and antibiotics, alcohol and garlic in this week's Science in 5.

Episode #7: Serological surveys - 9 October 2020 What are serological surveys? How do they help you assess your risk of COVID -19? WHO’s Chief Scientist Dr Soumya Swaminathan explains in Science in 5.

Episode #6: Flu & COVID-19 - 2 October 2020 Flu season is starting in many parts of the world. How can you protect yourself from flu and COVID-19? How would you know if you have flu or COVID-19? What precautions should pregnant women take?

Episode #5: Vaccines - 25 September 2020 When can we expect a vaccine for COVID-19? How will we ensure that it is safe? Who should be vaccinated first and why? Find our the answers to these and other questions.

Episode #4: Reopening Schools - 16 September 2020 How should schools assess their risk before reopening? What do we know about children and COVID-19? Dr Maria Van Kerkhove explains in this episode of Science in 5, WHO’s conversations in science.

Episode #3: COVID-19 Myths vs Science - 9 September 2020 Can COVID -19 be transmitted through water? Or Mosquitoes? Is COVID-19 transmission affected by weather? Dr Sylvie Briand busts popular myths about COVID-19 in this edition of Science in 5, WHO’s conversations in science.

Episode #2: SARS-CoV-2 - 4 September 2020 In this episode, Dr Maria Van Kerkhove explains how the SARS-CoV-2 virus infects the body and how our body’s immune system reacts.

Episode #1: Herd immunity - 28 October 2020 In this episode, WHO’s Chief Scientist, Dr Soumya Swaminathan explains herd immunity.