Disease

Incubation

Symptoms

Patient Exclusion

Contact Exclusion

Chickenpox

14-21 days, usually 14-16 days

Sudden onset of slight fever, rash that forms blisters then crusts

Until vesicles become dry, usually after 5 days in unimmunized children and 1-4 days with breakthrough varicella in immunized children

None

Conjunctivitis

42-72 hours

Redness, swelling, pain, with white or yellow discharge

Until examined by a physician and approved for readmission, with treatment for purulent* conjunctivita with white or yellow eye discharge

*pink or red conjunctiva with white or yellow eye discharge

In high risk populations, susceptible contacts may be excluded

CA-MRSA Community Associated Methicillin Resistant Staph Aureus

variable

Usually skin lesions, red inflamed and draining, may look like "spider bites"

None as long as open/draining wounds are covered with a bandage. Contact sports are prohibited until lesions are dry

None

Fifth Disease (Parvovirus)

4-20 days

Low grade fever "slapped cheek" facial rash, lace-like rash on trunk and extremeties

While fever is present

None

Gastroenteritis

Variable

Vomiting and/or diarrhea

While diarrhea or vomiting is present

None

Hand Foot and Mouth Disease

Usually 3-5 days

Fever, sore throat, sore in the mouth, a rash with blisters

During acute state, draining lesions on hand or lesions in the mouth if drooling

None

Hepatitis A

15-30 days

Sudden onset of fever, malaise, nausea, abdominal discomfort, and jaundice

Until 7 days after onset of symptoms or 7 days after start of jaundice

None

Hepatits B&C

2 weeks to 6 months

Often unrecognized, but can include: gradual onset of fever, nausea, abdominal discomfort, and jaundice

None

None

Influenza

1-3 days

Sudden onset of fever, chills, headache, muscle aches, sore throat, dry cough

None

Consider vaccinations/anti-virals for high risk individuals

Pinworm

2-6 weeks

Often unrecognized, but can include perianal itching, disturbed sleep, irritability

24 hours after treatment and bathing

None

Ringworm

4-10 days

Flat circular red rash, the center of which may be dry and scaly or moist and crusted

None if area can be covered and effective treatment started

None

Scabies

2-6 weeks before onset of itching

Intensive itching especially in skin folds and webs of fingers

Until the day after treatment

None

Strep Throat, Scarlet Fever, and Impetigo

1-3 days

Sore throat, fever, and rash

Until after 24 hours of effective antibiotic treatment

None

Whooping Cough (Pertussis)

6-20 days, usually 9-10 days

Cold symptoms followed by paroxysmal cough

Until 5 days after start of effective antibiotic treatment

Symptomatic exclusion only

Division on Infectious Disease, Maine Center or Disease Control and Prevention 2006