Guest Author • Apr 27, 2016 •
By Peter C. Doherty, The Peter Doherty Institute for Infection and Immunity A virus is essentially an information system (encoded in DNA or RNA) surrounded by a protective coat and shaped by evolution to ensure its own replication and survival. Viruses grow only in living cells. But they infect everything from the simplest, single-cell organisms, such as … Read More
Guest Author • Apr 21, 2016 •
By Steven Maltby, University of Newcastle The ongoing Zika virus outbreak in South America has brought media and research attention to several rare neurological disorders. Early reports suggested links between Zika infection and microcephaly (abnormal smallness of the head) in newborn infants. These were quickly followed by reports of increased rates of auto-immune disorder Guillain-Barre … Read More
Siouxsie Wiles • Mar 16, 2016 •
New research which looked at the data from the 2013-2014 outbreak of Zika in French Polynesia, estimates that the risk of microcephaly is about 1 for every 100 women infected with the Zika virus during the first trimester of pregnancy. Zika is the virus spread by mosquitoes (and more rarely by sexual transmission) that … Read More
Siouxsie Wiles • Mar 04, 2016 •
Brazilian scientists announce Zika could be spread by a different species of mosquito, one more common in Brazil and present in countries like New Zealand. According to the US Centers for Disease Control (CDC), the Zika virus is currently known to be transmitted by Aedes species mosquitoes, namely A. aegypti and A. albopictus. Media … Read More
Siouxsie Wiles • Mar 03, 2016 •
The New Zealand Ministry of Health are investigating a case of Zika in a woman who hasn’t travelled to a Zika-affected country recently. Is it a case of sexual transmission or a rogue mosquito? Update: I talked about this story this morning on RNZ’s Morning Report and TVNZ’s Breakfast on One. Also see my … Read More
Siouxsie Wiles • Feb 04, 2016 •
Earlier this week the WHO declared the Zika virus outbreak in the Americas a Public Health Emergency of International Concern and yesterday the CDC reported that someone in Dallas had become infected with the virus by having sex with someone infected overseas. Meanwhile, the internet is awash with claims that genetically-modified mosquitoes are to blame for the outbreak in Brazil. In … Read More
Siouxsie Wiles • Jan 26, 2016 •
A virus spread by mosquitoes and which has been linked to babies being born with smaller heads and brains in Brazil is making the news. Here’s a quick FAQ to bring you up to speed. What is Zika and where has it come from? Zika is an RNA virus that was first identified in monkeys in Uganda in 1947. The … Read More
Siouxsie Wiles • Sep 07, 2015 •
Picture this. A new virus, Mortenza, is sweeping around the world, killing millions. Despite all efforts, Mortenza reaches New Zealand and rapidly spreads around the country. In desperation, the Government isolates the tiny uninfected island of Great Barrier. How would this small community cope? Would they survive the pandemic? This is the fascinating scenario I’ll be exploring this coming weekend … Read More
Siouxsie Wiles • Jun 08, 2015 •
“MERS-CoV electron micrograph1” by Maureen Metcalfe/Cynthia Goldsmith/Azaibi Tamin – http://www.cdc.gov/coronavirus/mers/photos.html. Licensed under Public Domain via Wikimedia Commons. In 2012 a new virus emerged in the Middle East. Causing severe respiratory and flu-like, the disease was called Middle East Respiratory Syndrome (MERS)* or “Saudi-SARS”. The virus responsible was found to be a … Read More
Siouxsie Wiles • Aug 05, 2014 •
“Polio EM PHIL 1875 lores” by CDC/ Dr. Fred Murphy, Sylvia Whitfield – This media comes from the Centers for Disease Control and Prevention‘s Public Health Image Library (PHIL), with identification number #1875.. Over … Read More