Doctors: Postpone or move Olympics due to Zika
CNN's Ivan Watson reports on why Brazil's Zika outbreak has caused more than 100 prominent doctors and professors to call for the Olympics to be postponed or moved.
01:50 - Source: CNN
Zika 16 videos
zika virus olympic games health officials postpone watson lok_00001528.jpg
Doctors: Postpone or move Olympics due to Zika
01:50
Now playing
- Source: CNN
Zika mosquito _00000128.jpg
Zika's blood-sucking predator
01:49
Now playing
- Source: CNN
A mother and her baby, who has microcephaly, at the Altino Ventura Foundation Clinic in Recife, Brazil.
'We grossly underestimated' Zika, expert says
01:10
Now playing
- Source: CNN
Zika volunteer vaccine trial patient orig llr_00010922.jpg
Meet one of the first Zika vaccine volunteers
01:19
Now playing
- Source: CNN
CDC Zika still a threat_00000000.jpg
Zika still a threat, CDC warns
01:05
Now playing
- Source: CNN
miami zika free rick scott presser sot_00003606.jpg
Rick Scott declares Miami Zika-free
01:09
Now playing
- Source: WSVN
Cuba zika summit Oppmann pkg_00021009.jpg
Cuba's Zika battle
02:24
Now playing
- Source: CNN
Residents are seen past a public service announcement banner against the spread of Aedes mosquitoes, a carrier for the Zika virus, at a residential block at Aljunied Crescent neighbourhood in Singapore on August 29, 2016.   
Singapore on August 28 confirmed 41 locally transmitted cases of the Zika virus, which can cause deformities in unborn babies, and said more infections are likely. / AFP / ROSLAN RAHMAN        (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)
Singapore's Zika cases send warning signal to Asia
02:11
Now playing
- Source: CNN
zika animation dr. sanjay gupta ts orig_00002205.jpg
Everything you need to know about Zika
01:42
Now playing
- Source: CNN
singapore zika pregnant tank pkg_00001921.jpg
Dealing with Zika when you're pregnant
02:12
Now playing
- Source: CNN
Dead honey bees lie at the entrance of a beehive on May 19, 2008 in Mahlberg near Freiburg, Germany. According to the German bee keepers association in the last few days honey bees died massively due to the use of pesticides. Seed corn that was sowed in the last weeks is mostly treated with clothianidin, a chemical used to protect roots from pest.
Zika spraying kills millions of honeybees
01:37
Now playing
- Source: WCBD
zika baby orig_00002003.jpg
Hope for abandoned baby
01:07
Now playing
- Source: CNN
u.s. miami zika orig_00000413.jpg
Inside ground zero for Zika in the U.S.
00:52
Now playing
- Source: CNN
View of Aedes aegypti mosquitoes infected with the Wolbachia bacterium --which reduces mosquito transmitted diseases such as dengue and chikungunya by shortening adult lifespan, affect mosquito reproduction and interfere with pathogen replication-- at the Oswaldo Cruz foundation in Rio de Janeiro, Brazil, on October 2, 2014. The mosquitoes, when released, are expected to quickly infiltrate the insect population and stop the spread of the disease. Small-scale trials have already been conducted in communities in northern Australia.
What is the Zika virus?
01:32
Now playing
- Source: CNN
miami-dade county mayor carlos gimenez
Mosquito samples test positive for Zika in Miami Beach
01:01
Now playing
- Source: WSVN
MCALLEN, TX - APRIL 14:  A city environmental health worker displays literature to be distrubuted to the public on April 14, 2016 in McAllen, Texas. Health departments, especially in areas along the Texas-Mexico border, are preparing for the expected arrival of the Zika Virus, carried by the aegypti mosquito, which is endemic to the region. The U.S. Centers for Disease Control (CDC), announced this week that Zika is the definitive cause of birth defects seen in Brazil and other countries affected by the outbreak.  (Photo by John Moore/Getty Images)
FDA: Screen all blood donations for Zika
01:38
Now playing
- Source: CNN