By David Wetzel New York (Knewz) — Nearly two in 10 couples in the U.S. are divided on COVID-19 vaccines, according to a new survey. A study by Washington State University found that approximately 16 percent of couples were “discordant” when it comes to vaccinations for the coronavirus, meaning only one of the two had gotten the shot. Of 1,300 respondents who lived with significant others, 63 percent were both vaccinated and 21 percent were both unvaccinated. Partners have had a big impact on each other’s health decisions, according to Karen Schmaling, the WSU psychologist who conducted the fi…