--- ---  # There May Have Been a Major Breakthrough in MERS Treatment ## Video: This Flu Shot Is Not Like the Others [Watch (HLS stream): This Flu Shot Is Not Like the Others](https://cdn.jwplayer.com/manifests/1thSi60s.m3u8) (2:09)  _Published 2014-10-30. Some people may get a new flu shot that’s made with dog cells instead of chicken eggs_ by [Alissa Greenberg](https://time.com/author/alissa-greenberg/) ## Alissa Greenberg Jul 28, 2015 8:19 AM UTC  Mers-cov coronavirus Mers-cov coronavirusGetty Images by [Alissa Greenberg](https://time.com/author/alissa-greenberg/) ## Alissa Greenberg Jul 28, 2015 8:19 AM UTC Two existing and widely available drugs may [prove](http://www.scmp.com/news/hong-kong/health-environment/article/1844176/hku-scientists-recommend-two-drugs-now-use-treat) to be effective treatments for Middle East Respiratory Syndrome (MERS), new research published by the University of Hong Kong suggests. According to the _South China Morning Post_, the medicines—lopinavir with ritonavir and a type of interferon—were tested on marmosets, small monkeys that a 2014 U.S. study concluded would be the best subject for MERS trials because of the way their reactions to the virus mimics human illness. The drugs, currently used to treat HIV and sclerosis, were found to be effective in curing MERS-infected marmosets. The research is the first of its kind in the world. “We would recommend doctors to start using both drugs immediately to treat MERS patients if they are critical,” said Jasper Chan Fuk-woo, one of the researchers, told _SCMP_. “The evidence in this study is quite strong in proving the effectiveness of these two drugs.” Currently, there is no known cure for MERS. Meanwhile, South Korea, which struggled with a MERS outbreak in May and June, has not reported any new MERS cases for 23 days and no deaths for more than two weeks. The country declared a “de-facto end” to its outbreak on July 28, although a spokesman for the World Health Organization [told](http://www.bbc.com/news/world-asia-33684981) the BBC it would not declare an official end to the country’s outbreak until 28 days had passed with no new infections—twice the disease’s incubation period. \[[_SCMP_](http://www.scmp.com/news/hong-kong/health-environment/article/1844176/hku-scientists-recommend-two-drugs-now-use-treat)\] Possible Breakthrough in MERS Treatment After Marmosets Cured ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/3974257/mers-treatment-drugs-marmosets-lopinavir-ritonavir/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3974257/mers-treatment-drugs-marmosets-lopinavir-ritonavir/"},"headline":"There May Have Been a Major Breakthrough in MERS Treatment","datePublished":"2015-07-28T08:19:51.000Z","dateModified":"2026-03-31T08:38:35.687Z","description":"Researchers in Hong Kong have cured infected monkeys of MERS using existing drugs","url":"https://time.com/3974257/mers-treatment-drugs-marmosets-lopinavir-ritonavir/","keywords":["MERS","medicine","Hong Kong topic","South Korea","Science topic","monkeys"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt5bbaa73237ced6a3/69885cb2f887dc7b63e918f4/gettyimages-487737801.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Alissa Greenberg","jobTitle":null,"url":"https://time.com/author/alissa-greenberg/"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt5bbaa73237ced6a3/69885cb2f887dc7b63e918f4/gettyimages-487737801.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"487737801","caption":"487737801","creditText":"Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/mers/","name":"MERS"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/3974257/mers-treatment-drugs-marmosets-lopinavir-ritonavir/","name":"There May Have Been a Major Breakthrough in MERS Treatment"}}]},{"@context":"https://schema.org","@type":"VideoObject","name":"This Flu Shot Is Not Like the Others","description":"Some people may get a new flu shot that’s made with dog cells instead of chicken eggs","thumbnailUrl":"https://cdn.jwplayer.com/v2/media/1thSi60s/poster.jpg?width=720","uploadDate":"2014-10-30T14:53:23.000Z","contentUrl":"https://cdn.jwplayer.com/manifests/1thSi60s.m3u8","embedUrl":"https://time.com/3974257/mers-treatment-drugs-marmosets-lopinavir-ritonavir/","duration":"PT2M9S","potentialAction":{"@type":"SeekToAction","target":"https://time.com/3974257/mers-treatment-drugs-marmosets-lopinavir-ritonavir/?jw_start={seek_to_second_number}","startOffset-input":"required name=seek_to_second_number"}}] ```