Having a pet dog may lower the risk of eczema in children who are genetically prone to the condition, shedding light on how environmental factors may influence genetic risks.
Pfizer could make their COVID vaccine available to 12-year-olds in Europe from June, after clinical trials in March showed 100% efficiency for those aged 12 to 15.
The study found that missing a second COVID dose could "prolong" the pandemic, with more than 5 million people in the US not taking their scheduled dose.
The city of Manaus was hit so overwhelmingly by the Brazilian COVID mutation, it was believed that 75% of the population had COVID - what new truths are scientists learning about this powerful variant?
New data from the UK's vaccination programme suggests that one in four people get Pfizer and AstraZeneca vaccine side effects - with most peaking in the first 24 hours, then gone in two days.
Pfizer CEO Albert Bourla suggested that fully vaccinated people would need their third vaccine dose, maybe 12 months after they got their second - the EU is currently in talks to secure a further 1.8 billion doses.
Researchers in the UK started a clinical trial on mixing vaccines in February - today (14 April) a new study will look into mixing Moderna and Novavax doses.
US authorities paused the use of the Johnson & Johnson single dose vaccine as they look into six cases of blood clots that developed in women aged between 18 and 48.
Uninfected people lived with one infected individual as part of the study - the COVID antibody drug gave them 72% protection against catching the virus themselves.
Today (8 April) it was revealed that over 700,000 AstraZeneca doses manufactured in the UK are being sent to Australia - with a confirmed 300,000 vaccines in Sydney at the end of February.
Real-world use of the Moderna and Pfizer vaccines in the United States reveals that both are working at 90% efficacy - with data pointing to one dose being capable of 80% protection.
Tore K Kvien & Guro L Goll argue that biosimilars are an opportunity for improving access to treatment & reducing cost and provide comment on the NOR-SWITCH study.
EU leaders today (25 March) decided not to create an export ban for AstraZeneca vaccines made for the UK - but the feud between AstraZeneca and the bloc remains close to the surface of future discussions.
In a study of over 32,000 people, a US trial found the AstraZeneca vaccine was 100% effective against deaths caused by COVID-19 - the vaccine did not show any connection to blood clots.