Prevent the spread of infections by ensuring: routine immunisation, high standards of personal hygiene and practice, particularly hand-washing, and maintaining a clean environment. However, the Health Protection Agency recommend exclusion in some conditions. The table below is up to date as of December 2025 but ideally check the HPA website directly.
| Infection | Exclusion/Isolation Guidance | Notifiable* | Additional advice |
|---|---|---|---|
| Athlete’s foot | None needed | Treatment recommended. Avoid being barefoot. | |
| Chickenpox | At least 5 days from onset of rash and until all blisters have crusted over. | Pregnant contacts should consult GP/midwife | |
| Cold sores | None needed | Avoid direct contact | |
| Conjunctivitis | None needed | Outbreak=Consult local Health Protection Team (HPT) | |
| Diarrhoea and vomiting | Until symptoms have settled for 48 hours | If Ecoli 157 STEC/Typhoid/Shigella/ Cryptosporidiosis | If notifiable cause consult HPT for further advice |
| Diptheria | Must be excluded | Yes | Always consult HPT for advice. Exclusion extends to family members |
| EBV | None needed | ||
| Fifth disease (Slapped cheek) | None needed | Pregnant contacts should consult GP/midwife | |
| Flu (influenza) or influenza like illness | Until recovered | Outbreaks should be reported by senior IPC teams | |
| Hand foot and mouth | None needed usually | Contact HPT if a large number of children affected | |
| Head lice | None needed | Treatment indicated only when live lice are seen | |
| Hep A | Exclude until 7 days after onset of symptoms/jaundice | HPT will advise protection measures in outbreaks | |
| Hep B/C/HIV | None needed | Not infectious through casual contact | |
| Impetigo | Until lesions are crusted and healed/48 hours after starting antibiotics | Antibiotic treatment speeds healing and reduces the infectious period. | |
| Infectious Mononucleosis | None needed | ||
| Influenza | Until recovered | Report outbreaks to HPT | |
| Measles | 4 days from onset of rash | Yes | Pregnant contacts must consult GP/midwife immediately |
| Meningitis | Until recovered/ Viral=none | Viral=No/Other=Yes | Contact HPT for more advice |
| Molluscum Contagiosum | None needed | ||
| Mpox | Consult UTD guidance on UKHSA website | Yes | Close contacts also need input from HPT |
| Mumps | 5 days from onset of swollen glands | Yes | |
| MRSA | None needed | Good hygiene e,g handwashing, environmental cleaning, help minimise spread | |
| Respiratory infections including COVID-19 | Individuals should not attend if they have a high temperature and are unwell. Individuals who have a positive test result for COVID-19 should not attend the setting for 3 days after the day of the test. | Individuals with mild symptoms such as runny nose, and headache who are otherwise well can continue to attend their setting. | |
| Ringworm | Not usually required but must treat | ||
| Roseola | None needed | ||
| Rubella | 5 days from onset of rash | Yes | Pregnant contacts must consult GP/midwife immediately |
| Scabies | Until 24 hours after first treatment given | Close contacts should be treated at same time | |
| Scarlet fever | 24 hours after starting antibiotics | Yes if two or more suspected cases within 3 days | If no antibiotics, exclude until symptoms recover |
| Septicaemia | Until recovered | Yes | HPT actions will depend on causative agent |
| Threadworms | None needed | Treat child and close contacts | |
| TB | Until 2 weeks after starting treatment if pulmonary TB | Yes | Only pulmonary TB is infectious and needs prolonged close contact to spread. HPT will contact trace |
| Warts/verrucae | None needed | Cover in swimming pools and gymnasium | |
| Whooping cough | 2 days after starting antibiotics/14 days after symptom onset if no antibiotics | Yes | Non-infectious coughing may continue for weeks |
*Registered medical practitioners in England and Wales have a statutory duty to notify their local authority or UK Health Security Agency (UKHSA) HPT of suspected cases of certain infectious diseases.
Yorkshire and the Humber HPT – Find your HPT
Quarry House, 8th Floor
Leeds
LS2 7UE
Telephone: 0300 303 0234
Out of hours for health professionals requesting urgent advice: 0300 303 0234
Email: yorkshirehumberhpt@ukhsa.gov.uk
Email for personal identifiable information (PII): phe.yorkshirehumber@nhs.net
Reference
Created by Dr Euan Ballantyne