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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Curr Opin Obstet Gynecol. 2018 Apr;30(2):116–122. doi: 10.1097/GCO.0000000000000440

Figure 1.

Figure 1

Despite identification of zika virus in the 1940s, publications in PubMed did not explode until 2016. A search of PubMed (performed on 11/17/2017) on “zika virus” found single digit publications dating back to 1952 (two in 1952), with the number increasing to double digits in 2014 (n=23) and then over 1500 in 2016 and 2017 (insert graph upper left). A search of zika virus and pregnancy pulled one article in 2014 and 2015 with 408 in 2016 and 250 in 2017. Zika virus and microcephaly revealed 4 articles in 2015, 541 in 2016, and 386 in 2017.