The United States, South Africa, and the European Union will temporarily stop the rollout of the Johnson & Johnson COVID-19 vaccine, after reports of it causing blood clots.

A new Canadian study has shown that certain types of blood pressure drugs – known as thiazide diuretics – are associated with higher rates of skin cancer.

More than 500 million doses of COVID-19 vaccines have now been given around the world, according to the AFP news agency.

A new analysis of COVID-19 hospitalizations in the United States during the first 6 months of the pandemic shows that more than half resulted in a patient receiving an antibiotic, even when no bacterial infection was present.

Multiple European countries have suspended the use of AstraZeneca's COVID-19 vaccine while investigators look into cases of blood clots among vaccinated people.

A group of scientists and doctors has issued an open letter calling on the European Medicines Agency to answer urgent safety questions regarding COVID-19 vaccines, or withdraw the vaccines’ authorization. The letter describes serious potential consequences of COVID-19 vaccine technology, warning of possible autoimmune reactions, blood clotting abnormalities, stroke, and internal bleeding, “including in the brain, spinal cord and heart”.

The Wellcome Trust, a UK charity that is one of the world's top funders of health research, stands to gain financially from the COVID-19 pandemic, reports the British Medical Journal (BMJ).

Pfizer has been accused of “bullying” Latin American governments in COVID-19 vaccine negotiations and has even asked some of them to put up sovereign assets such as military bases as a guarantee against the cost of any future legal cases, the Bureau of Investigative Journalism has revealed.