Pregnant woman diagnosed with Zika virus in Australia

The Zika virus has been linked to thousands of birth defects in Latin America and is transmitted through mosquitos Photograph: Marvin Recinos/AFP/Getty Images

Queensland sees the first confirmed case of the virus in a pregnant woman in Australia since the World Health Organisation declared it a public health emergency

Zika virus continues to spread; CDC expands travel alert to 22 destinations

A health worker fumigates the Altos del Cerro neighbourhood as part of preventive measures against the Zika virus and other mosquito-borne diseases in Soyapango, El Salvador January 21, 2016

South Korea MERS virus outbreak ‘large and complex’: WHO

Military police wearing masks take a visitors’s temperature as a precaution against MERS, Middle East Respiratory Syndrome, virus, at the Defense Ministry in Seoul, South Korea, Tuesday, June 9, 2015. South Korea believes cases of a MERS virus outbreak may have peaked, and experts say the next several days will be critical to determining whether the government’s belated efforts have successfully stymied a disease that has killed seven and infected nearly 100. (AP Photo/Lee Jin-man)

Fungal Strain Spread by Floods, Runoff Threatens Global Banana Supply, Growers Say

Mutant Stomach Bug From Abroad Spreading in US, CDC Says

Army chief warns of IS spread to Europe if Libya gets no aid

In this Wednesday, March 18, 2015 photo, Gen. Khalifa Hifter, Libya’s top army chief, speaks during an interview with the Associated Press in al-Marj, Libya. Hifter warned Europe of Islamic State militants’ infiltration to its territories through the North African nation’s long stretch of the Mediterranean coastline, if the West abstained from supporting his forces with arms and ammunition. (AP Photo/Mohammed El-Sheikhy)

Drug-resistant malaria threatens to spread from Burma, say researchers

Malaria, carried by mosquitos, has periodically developed resistance to drugs.

Oxford scientists warn parasite impervious to the key drug artemsinin has been found in testing near Indian border and could emerge in Africa

Mumps outbreak in Idaho spreads to Washington state

The MMR vaccine helps protect against measles, mumps and rubella.(Photo: Joe Raedle, Getty Images)

Disneyland measles outbreak spreads

Islamic State group reaches for Afghanistan and Pakistan

In this file photo taken on Sunday, Aug. 5, 2012, Pakistani Taliban patrol in their stronghold of Shawal in Pakistani tribal region of South Waziristan. Interior Minister Chaudhry Nisar Ali Khan said in November 2014 there was no Islamic State group presence, only militants using its name. However, a letter written by the federal government a month earlier and later obtained by The Associated Press warned local officials that the Islamic State group had begun courting area militants and that the extremists claimed the support of up to “12,000 followers” in northwest Pakistan. (AP Photo/Ishtiaq Mahsud, File)