Every year, millions converge on Mecca for Hajj and Umrah, turning a spiritual journey into a potential health challenge due to crowding and diverse origins. A review reveals how mandatory vaccines have dramatically reduced invasive meningococcal disease (IMD), a deadly bacterial meningitis, making these pilgrimages safer than ever.​ Past Outbreaks’ Shadow In the late 1990s … Continue reading Vaccines Turn the Tide: Safer Hajj and Umrah for Millions of Faithful