Science magazine has published a report revealing multiple indications of fraud in one of the most cited publications on Alzheimer's disease. We explain what it means for the science that studies this disease.

With the increase in monkeypox cases worldwide, the World Health Organisation has declared the outbreak an international public health emergency. There is now a recommended vaccine for its prevention or mitigation. Here is what we know about it and what the current recommendations are.

The European Medicines Agency (EMA) is still considering the approval of Hipra's SARS-CoV-2 vaccine. In mid-May, Hipra said it was ready to "have the vaccine available in a few days" following EMA approval, which it expected by the middle of this year, but which is being delayed until at least after July, as Elia Torroella, Hipra's R&D and Registration Director, explained at a breakfast briefing organised by the company today. 

Worldwide, 236,000 people die each year from unintentional drowning in aquatic environments. In Spain alone, 260 people died as a result in 2021. To raise awareness of this problem, the UN General Assembly declared 25 July as World Drowning Prevention Day.

The high temperatures have led to an increase in cases of heat stroke, a serious disorder that requires urgent medical attention.

Communicating outbreaks of infectious diseases is not easy, especially when they affect population groups that may face discrimination. Cases of monkeypox among men who have sex with men remind us of the importance of reporting without stigma.

The UK has detected "circulating vaccine-derived poliovirus type 2" in residual samples collected between February and June. Although no symptomatic cases have been found so far, the finding underlines the importance of keeping the population vaccinated.

Following the detection of several cases of people infected with the simian smallpox virus in the UK, health authorities are concerned that there may be EU-wide transmission with undetected infections, both within and outside the country. In Spain, the Community of Madrid has identified 23 possible cases of infection.

"The level of alcohol consumption that does not harm health is zero," says a review of dozens of studies conducted in recent years on the effect of light drinking. The 20 or so authors of the paper, and other experts, insist that "alcohol is carcinogenic from the first drink". In their view, this message should be conveyed more clearly to the public.