==Navigation Menu== <div style="background-color:navajowhite;float:right;margin:1em 0 0 1emleft;"><div style="background-color:navajowhite; float:left; padding-right:1em;">
{|class="mw-collapsible mw-collapsed" style="margin:4px 10px; width:350px;"
!style="background:turquoise; text-align:left; padding:8px;"|General issues of Vaccine
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<div style="background-color:navajowhite; float:left; padding-right:1em;">
{|class="mw-collapsible mw-collapsed" style="margin:4px 10px; width:350px;"
!style="background:turquoise; text-align:left; padding:8px;"|General issues of Tropical med.
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<div style="background-color:navajowhite; float:left; padding-right:1em;">
{|class="mw-collapsible mw-collapsed" style="margin:4px 10px; width:350px;"
!style="background:turquoise; text-align:left; padding:8px;"|General issues of Travel med.
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<div style="background-color:navajowhite; float:left; padding-right:1em;">
{|class="mw-collapsible mw-collapsed" style="margin:4px 10px; width:350px;"
!style="background:turquoise; text-align:left; padding:8px;"|Immunology