aOR	adjusted odds ratio
aRR	adjusted risk ratio
CI	Confidence interval
CHIKV	Chikungunya virus
CZS	congenital ZIKV syndrome
DENV	Dengue virus
DS	Down syndrome
HTD	Hypertensive disorders
IQR	interquartile range
MCAR	missing variables completely at random
NAAT	nucleic acid amplification testing
NIPT	non-invasive prenatal testing
OR	odds ratio
PRNT	Plaque reduction neutralization test
RD	Risk difference
RR	Risk ratio
WG	Weeks’ gestation
y.o.	years old
ZIKV	Zika virus