Research letters

The clinical significance of asymptomatic infection is uncertain, and routine testing is not recommended

James D Stewart · Brooke Webb · Michelle Francis · Maryza Graham · Tony M Korman

The decline in codeine-related presentations was not associated with a rise in alternative opioid-related presentations

Keith Harris · Andrew Jiang · Robert Knoeckel · Katherine Z Isoardi

More systematic data collection could assist clinicians and patients when considering overseas travel for organ transplantation

Georgia Smith · Diba Gujari · Oscar Russell · Lyle Palmer · Maeghan Toews · Germaine Wong · Wai Lim · Stephen McDonald · Phillip Clayton · Dominique Martin · Patrick T Coates

The availability of helmets and the enforcement of helmet rules by police must be ensured

Narelle L Haworth · Amy Schramm

The most frequent reason for retrieval, myocardial infarction, requires early treatment and extensive long term management

Fergus W Gardiner · Alice M Richardson · Lara Bishop · Abby Harwood · Elli Gardiner · Lauren Gale · Narcissus Teoh · Robyn M Lucas · Martin Laverty

The proportion of head injuries that is acutely clinically significant is greater for recreational sports than for contact sports associated with risk of concussion

Nitaa Eapen · Gavin A Davis · Meredith L Borland · Natalie Phillips · Ed Oakley · Stephen Hearps · Amit Kochar · Sarah Dalton · John Cheek · Jeremy Furyk · Mark D Lyttle · Silvia Bressan · Louise Crowe · Stuart Dalziel · Emma Tavender · Franz E Babl

Increasing ICU size may have improved health care system efficiency

Peter Hicks · Sue Huckson · Emma Fenney · Isobel Leggett · David Pilcher · Edward Litton

Strategies for helping parents manage the screen time of their children from early infancy should be investigated

Leigh Tooth · Katrina Moss · Richard Hockey · Gita D Mishra

Leprosy remains a significant problem in PNG, and assistance from Australia would help both countries

Allison Hempenstall · Simon Smith · Josh Hanson

Reducing broad spectrum antibiotic use was associated with reduced VRE transmission and infection

John K Ferguson · Sally A Munnoch · Kristi Kozierowski · Simon Chiu · Christopher Oldmeadow

Correct swabbing technique and caution when interpreting negative results are needed

Daniel P O'Brien · Maria Globan · Janet M Fyfe · Caroline J Lavender · Adrian Murrie · Damian Flanagan · Peter Meggyesy · Jonathan T Priestley · David Leslie

Colonoscopy should also be considered in cases of infective endocarditis with an unclear source of infection

Eugene Athan · Ivana Cabiltes · Sarah Coghill · Steven J Bowe

Characterising the isolates responsible for infection would help identify virulence factors and the relatedness of isolates

Nabeel Imam · Simone Tempone · Paul K Armstrong · Rebecca McCann · Sandra Johnson · Leon J Worth · Michael J Richards

Older people face particular barriers obtaining advice or treatment for alcohol-related problems

Ann M Roche · Victoria Kostadinov

Overprescribing of these medications should be reduced, patients at greater risk identified, risk mitigation strategies implemented

Gillian E Caughey · Svetla Gadzhanova · Sepehr Shakib · Elizabeth E Roughead

The nicotine levels in three e-liquids were comparable with those of low dose nicotine e-liquids

Emily Chivers · Maxine Janka · Peter Franklin · Benjamin Mullins · Alexander Larcombe

More frequent gluten testing would reduce the risk for people with coeliac disease

Emma P Halmos · Dean Clarke · Catherine Pizzey · Jason A Tye-Din

Social media has the potential to change the face of public health messaging

Keira M Glasgow · Catherine R Bateman-Steel · Bradley Pope · Mark J Ferson

Clinicians and services should focus their attention on women at highest risk of unintended pregnancy

Angela J Taft · Mridula Shankar · Kirsten I Black · Danielle Mazza · Safeera Hussainy · Jayne C Lucke

Cannabidiol has potential benefits, but also short term adverse effects that must be understood and mitigated

Jeremy L Freeman

More effort is needed to improve time to reperfusion for patients with STEMI

Diem T Dinh · Yishen Wang · Angela L Brennan · Stephen J Duffy · Dion Stub · Christopher M Reid · Jeffrey Lefkovits

Time is ticking: administrative delays to undertaking low risk health research need to be minimised

Holly Foot · Ian A Scott · Grant M Russell · Neil Cottrell · Nancy Sturman · Christopher R Freeman

There is considerable potential for improving awareness of the health effects of smoking

Emily Brennan · Kimberley Dunstone · Melanie Wakefield

The focus should be on eliciting a thorough history and examining the patient for red flags

Lauren Ross · Adam de Gruchy · Uyen M Phan · Matthew Warrender-Sparkes · Ian P Wicks · John HY Moi

Lower medical fees and greater transparency would reduce the burden for people with cancer

Louisa G Gordon · Thomas M Elliott · Catherine M Olsen · Nirmala Pandeya · David C Whiteman