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Zika is discovered
Scientists investigating yellow fever discovered the Zika virus in a rhesus money in the Zika Forest of Uganda.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5303855/ -
Researchers find the culprit.
Scientist isolate the Aedes aegypti africanus mosquito as the primary vector.
http://www.who.int/emergencies/zika-virus/history/en/ -
First Zika case confirmed
First known human case found in an African girl. Investigators theorize Zika is an arbovirus transmitted by mosquitoes that can infect monkeys and humans.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5303855/ -
Period: to
Zika is considered benign
Zika is studied, but not considered dangerous. Researchers track the transmission of Zika throughout the world.
http://www.who.int/emergencies/zika-virus/history/en/ -
Zika crosses continents to Asia
Zika is reported in Malaysia.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5303855/ -
Zika infects the Yap Island
Zika spreads from Africa into Asia, to the Micronesian island of Yap. Approximately 73% of Yap residents are infected over a 3 year period.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5303855/ -
Zika comes to Colorado
A scientist working in Senegal returns home to Colorado and infects his wife. First documented case of sexual transmission.
http://www.who.int/bulletin/online_first/16-171082/en/ -
Two strands of Zika
Researchers identify 2 strands of Zika, African and Asian.
http://www.who.int/bulletin/online_first/16-171082/en/ -
Moms and babies test positive for Zika
Two mothers and their newborns in French Polynesia are found to have Zika. 1505, French Polynesian blood donors test positive for Zika.
http://www.who.int/bulletin/online_first/16-171082/en/ -
Zika in Brazil
Brazil reports 7000 mild cases of skin rash to the World Health Organization (WHO);
Zika is not suspected as the culprit. Researchers suspect Zika was imported to Brazil from a group traveling in the French Polynesia.
http://www.who.int/bulletin/online_first/16-171082/en/ -
World Health Organization issues Zika alert in Americas
World Health Organization issues an alert for Zika in the Americas.
http://www.who.int/emergencies/zika-virus/history/en/ -
Brazil reports neurological disorders
Brazil reports neurological disorders with those affected.
http://www.who.int/bulletin/online_first/16-171082/en/ -
Brazil reports microcephaly
Zika spreads to Cabo Verde and Columbia. Brazil reports multiple cases of microcephaly in newborns.
http://www.who.int/bulletin/online_first/16-171082/en/ -
Brazil declares national emergency
Brazil declares national emergency, while Zika spreads north and inflicts Central and South America, including the Caribbean http://www.who.int/bulletin/online_first/16-171082/en/ -
Zika infects thousands
Brazil reports 3,893 suspected cases of microcephaly, including 49 deaths. Hawaii reports the first microcephaly case from a mother who had lived in Brazil.
http://www.who.int/emergencies/zika-virus/history/en/ -
Zika hops across continents
Caribbean, Argentina and Samoa report Zika cases. Reported case of Zika in Texas through sexual transmission.
2016: https://www.cdc.gov/zika/reporting/2018-case-counts.html -
Zika in the US
In 2016, there were 5,168 symptomatic Zika cases in which
4,897 were from travelers returning from Zika areas. There were 224 cases acquired through local transmission, mainly in Florida.
2018: https://www.cdc.gov/zika/reporting/2018-case-counts.html -
Zika drops significantly
In 2017, there were 452 symptomatic Zika cases with
437 cases from travelers returning from abroad. There were 7 cases acquired locally.
2018: https://www.cdc.gov/zika/reporting/2018-case-counts.html -
Zika is contained in US
So far, in 2018, there have been 41 Zika cases, all which were from travelers coming from other countries.
