Intended for healthcare professionals

Effectiveness of a fourth dose of covid-19 mRNA vaccine against the omicron variant among long term care residents in Ontario, Canada

Effectiveness of a fourth dose of covid-19 mRNA vaccine against the omicron variant among long term care residents in Ontario, Canada

A fourth dose of mRNA covid-19 vaccine improved protection against infection, symptomatic infection, and severe outcomes among long term care residents during an omicron dominant period

∙Read our latest coverage of the covid-19 pandemic

Viscosupplementation for knee osteoarthritis

New research finds that injections of hyaluronic acid to treat knee osteoarthritis make almost no difference to pain and might raise risk of adverse events

research | Jul 6

Viscosupplementation for knee osteoarthritis

New research finds that injections of hyaluronic acid to treat knee osteoarthritis make almost no difference to pain and might raise risk of adverse events

research

Jul 6

Serious adverse event rates and reoperation after arthroscopic shoulder surgery

Rates of serious complications associated with shoulder surgery are low, but one in 26 patients need further surgery within a year, finds new research

research | Jul 6

Serious adverse event rates and reoperation after arthroscopic shoulder surgery

Rates of serious complications associated with shoulder surgery are low, but one in 26 patients need further surgery within a year, finds new research

research

Jul 6

Racial bias and reproducibility in pulse oximetry

New research found that for individuals in general (medical and surgical) care in hospital, occult hypoxemia was more common for black patients than for white patients

research | Jul 6

Racial bias and reproducibility in pulse oximetry

New research found that for individuals in general (medical and surgical) care in hospital, occult hypoxemia was more common for black patients than for white patients

research

Jul 6

Exit means exit for Boris Johnson?

opinion | Jul 7

Saved bed days: the ultimate currency

opinion | Jul 7

Will new health secretary Steve Barclay get the chance to leave his mark?

news | Jul 7

Especially in adversity, we need fresh thinking

editor's choice | Jul 7

US anti-abortion laws may restrict access to vital drug for autoimmune diseases, patient groups warn

news | Jul 6

Rape in war: too much debate, too little medicine

feature | Jul 6

Latest articles

If abortion is restricted in the United States, there will be negative health outcomes and the legislators who craft these policies, and the Supreme Court who allows them to go into practice, need to be held responsible

opinion

May 19

The United States needs people to stand up for abortion

The loss of Roe v Wade would be an economic, social, and human rights tragedy, writes Sharon Lau

opinion

Jun 22

Unborn in the USA: what happened and what’s next for Roe v Wade and abortion rights?

feature | May 17

The future of medication abortion in a post-Roe world

opinion | Jun 2

The US turns its back on women’s reproductive rights

editorial | May 17

Overturning Roe v Wade is an unprecedented attack on the bodily autonomy of women

opinion | Apr 21

BMJ Medicine

Covid-19: virology, variants, and vaccines

This latest review discusses the genetics, structure, and transmission methods of covid-19 variants, highlighting how mutations provide enhanced abilities to spread the virus

Apr 11

Chronic pain and infection: mechanisms, causes, conditions, treatments, and controversies