Recent disease outbreaks, like Ebola and Zika, have demonstrated the need to anticipate pandemics and contain them before they emerge.
In addition to unpleasant itching and scratching, days after they can also cause some more serious problems, spreading diseases such as chikungunya, dengue and Zika. Here we've put together some top tips on steps you can take to avoid being bitten.
US health authorities on Friday declare a public health emergency in Puerto Rico due to the outbreak of Zika, which has now infected more than 10,000 people.
World number two Dustin Johnson, who won his first major title at the US Open Golf Championship in June, will not play in the Rio Olympics because of concerns over the Zika virus.
Parts of a mutilated body wash up on the sands of Copacabana Beach in Rio de Janeiro on Wednesday, just meters (yards) from where beach volleyball athletes will compete in the upcoming Olympics.
World No.1 golfer Jason Day of Australia says he is withdrawing from the Rio Olympic Games over the threat of the Zika virus.
South African Branden Grace joins a growing list of leading golfers withdrawing from the Rio Olympics on Friday due to concerns about the Zika virus.
Rory McIlroy has pulled out of the Olympic Games in Rio because of concerns about the Zika virus.
Rio de Janeiro's governor declares a state of financial emergency and requests federal funds to help fulfill obligations for public services during the Olympics that start August 5.
Health Minister Mohammad Nasim has urged people not to be panicked regarding the risk of Zika virus infection.
Over 3,100 pregnant Colombian women are infected with the mosquito-borne Zika virus, President Juan Manuel Santos says.
Colombia says three people have died after contracting the Zika virus and developing a rare nerve disorder. Health Minister Alejandro Gaviria said there was a "causal connection" between Zika, the Guillain-Barre disorder and the three deaths.
Densely packed slums, rampant mosquitoes and a history of rapidly spreading infections make Asia particularly vulnerable to the devastating Zika virus, posing a massive challenge for the region, health experts warn.
A rare case of the Zika virus being transmitted through sex, not a mosquito bite, has been reported in the US.
The World Health Organisation today has urged the regional countries, including Bangladesh, to strengthen surveillance and take preventive measures against the Zika virus disease.
Risk of Zika virus infection in Bangladesh is low as the countries affected by the mosquito-borne disease are far away, an expert said here yesterday.
Risk for Zika virus infection in Bangladesh is low as the countries affected by the mosquito-borne disease are far away, experts says.
The World Health Organization's emergency committee will debate whether a Zika virus outbreak suspected of causing a surge in serious birth defects in South America should be considered a global health emergency.
More than 2,100 pregnant Colombian women are infected with the mosquito-borne Zika virus, the country's national health institute says, as the disease continues its spread across the Americas.