Top stories in infectious disease: Work absenteeism increased during 2017-2018 flu season, Lyme disease often misdiagnosed

Among the top stories in infectious disease last week were study results that found workplace absenteeism was higher in the 2017-2018 flu season than in the previous five flu seasons and findings that suggested many patients may be incorrectly diagnosed with Lyme disease and prescribed unnecessary antibiotics.

Other highlights included a CDC report that a multistate Salmonella outbreak was linked to imported papayas, a study that indicated waiting until October to get vaccinated against influenza may increase hospitalizations and a study that found same-day pre-exposure prophylaxis initiation was a favorable option for patients at risk for HIV.

Work absenteeism during 2017-2018 higher than in previous five flu seasons

Workplace absenteeism increased significantly during the 2017-2018 influenza season in the United States, according to study results published in The Morbidity and Mortality Weekly Report. Read more.

Lyme disease often misdiagnosed, resulting in unnecessary antibiotics

Findings from a 14-year study at an infectious disease clinic outside Baltimore suggest many patients may be incorrectly diagnosed with Lyme disease and prescribed unnecessary antibiotics, researchers said. Read more.

Multistate Salmonella outbreak linked to imported papayas

For the second time in 2 years, a multistate outbreak of Salmonella has been linked to papayas imported from Mexico. This one is being caused by Salmonella Uganda, a rare serotype, an expert said. Read more.

Delayed vaccination could increase flu-related hospitalizations in older adults

A published study raised questions about recommending that older adults wait until October to get vaccinated against influenza. Read more.

Same-day pre-exposure prophylaxis initiation a favorable option for patients at risk for HIV

Same-day initiation of pre-exposure prophylaxis for HIV prevention was found to be safe, feasible and well-received among patients at a walk-in STD clinic, according to a study. Read more.