Infants under the age of 12 months may be at higher risk of more serious symptoms of COVID-19 than older children. The Mayo Clinic notes that this is likely due to their immature immune systems and smaller airways, which make them more likely to develop breathing issues with respiratory virus infections. Follow these protocols in hospital: To help stop the spread of harmful viruses, it’s important to practice good hygiene – washing hands with soap and using a 70% alcohol aerosol hand sanitizer, like OmniProtect Sanitizer Spray. When are you protected against COVID-19 after being vaccinated?