 which a baby’s head and brain are abnormally small, as “extremely worrisome.”</p>
            </p>

            <p class="paragraph">
                <p>So far, experts are divided about what lies ahead for the United States. More than a dozen cases have been confirmed to date, including two announced Tuesday by state health officials in Arkansas and Virginia. In each, the person was believed to have been infected while out of the country. </p>
            </p>

            <p class="paragraph">
    