News & Perspective

Sep 09, 2016

Sep 09, 2016
Mother and toddler on tropical beach

MCR-1 identified in Connecticut toddler

The case involved Caribbean travel and possible foodborne infection; also, officials note no spread in the first US case.

Jan 08, 2016

Jan 08, 2016
Young calf

New MCR-1 reports warn of untreatable infection threat

The new, worrisome MCR-1 resistance gene has been detected in 6 more nations.

Feb 01, 2016

Feb 01, 2016
E coli

Chinese, Canadian teams report more MCR-1 detections

In one worrisome finding, MCR-1 was found in chicken E coli alongside other resistance genes.

Jul 26, 2016

Jul 26, 2016
Raw poultry

German researchers identify 402 MCR-1 isolates

The MCR-1 gene was most prevalent in poultry, with 10.7% of turkey isolates and 5.6% of broiler isolates testing positive.

Jun 24, 2016

Jun 24, 2016
flying seagull

MCR-1 findings in gulls show mobility of resistance threat

Other reports noted detections in hospital patients, sick chickens, and retail meat samples.

Jan 27, 2017

Jan 27, 2017
MCR-1 culture

Studies show spread of MCR-1 gene in China

The findings are a sign the gene has spread widely in community and healthcare settings throughout the country.

Aug 02, 2016

Aug 02, 2016
Holstein cattle

Latest MCR-1 findings include highly resistant isolate

One isolate was also resistant to beta-lactams, fluoroquinolones, and florfenicol.

Jul 01, 2016

Jul 01, 2016
PCR testing

MCR-1 detected in Salmonella in Portugal, E coli in Brazil

In Portugal, 11 human samples tested positive, and in Brazil the isolates were from poultry not given polymyxins.

Jul 11, 2016

Jul 11, 2016
E coli

MCR-1 gene found in human sample in US for 2nd time

Italian researchers, meanwhile, said they detected a variant of the MCR-1 gene.

Dec 18, 2015

Dec 18, 2015
Antibiotic syringe and farm quail

More MCR-1 findings lead to calls to ban ag use of colistin

The worrisome MCR-1 resistance gene has spread to distant regions, even Africa, rather quickly.

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