Colombian women listen as a health worker distributes information on how to prevent the spread of the Zika virus, at the transport terminal in Bogota, Colombia:  latest figures from Colombia show 20,297 confirmed cases of the disease in the South American country. Photograph: John Vizcaino/Reuters

An emergency World Health Organisation (WHO) committee will meet on Monday to advise on the international response to the Zika virus, as the number o(...)

Health workers fumigate in an attempt to eradicate the mosquito which transmits the Zika virus on Thursday in Recife, Pernambuco state, Brazil. Zika was first confirmed in Brazil – a country of 200 million – last May, and it spread like wildfire Photograph:  Mario Tama/Getty Images

The World Health Organisation has warned that the Zika virus is “spreading explosively” in the Americas and that as many as four million people could (...)

WHO director general Margaret Chan said spead of the virus was ‘deeply concerning’. Photograph: Alan Betson / The Irish Times

The World Health Organisation has convened an emergency committee to discuss the “explosive” spread of the Zika virus, which is linked to thousands of(...)

World Health Organization Director-General Margaret Chan attends the WHO meeting on Zika virus in Geneva, Switzerland on Thursday. Photograph: Denis Balibouse/Reuters

The World Health Organization (WHO) expects the Zika virus, which is spreading through the Americas, to affect between three million and four million (...)

A health ministry employee fumigates a home against the Aedes aegypti mosquito to prevent the spread of the Zika virus in Soyapango, San Salvador. Health authorities have issued a national alert against the Aedes Aegypti mosquito, because of the link between the Zika virus and microcephaly and Guillain-Barré Syndrome in fetuses. Marvin Recinos/AFP/Getty Images.

The mosquito-borne Zika virus, which is suspected of causing brain damage to babies in Brazil, is likely to spread to all countries in the Americas e(...)

Rick Brennan, WHO director of emergency risk assessment and humanitarian response, speaks during a press conference at the European headquarters of the United Nations on Thursday. Photograph: Martial Trezzini/Keystone via AP

The World Health Organisation has declared the end of the Ebola endemic in west Africa, with all known chains of transmission of the virus stopped. T(...)

Sierra Leonean health officials checking for the ebola virus at the border crossing with Liberia. File photograph: Zoom Dossozoom Dosso/AFP

The world is for the first time on the verge of being able to protect humans against Ebola, the World Health Organisation (WHO) said on Friday, as dat(...)

A tourist wearing a face mask pushes a luggage cart at Incheon International Airport in Incheon, South Korea. Photograph: SeongJoon Cho/Bloomberg

Hong Kong upgraded to “serious” on Monday its response to an outbreak of Middle East Respiratory Syndrome (Mers) in South Korea, where the number of c(...)

Premature optimism on Ebola cases

Following a steady decline in new cases in recent weeks, the United Nations (UN) predicted the Ebola epidemic in West Africa could be over by June. It(...)

Last week Mali became the sixth West African country to report a case of Ebola. Photograph: Daniel Irungu/EPA

Liberia, the country worst hit by the Ebola epidemic, may be seeing a decline in the spread of the virus, although the battle to contain the outbreak (...)