Health Forecast & Sick Day Tracker: March 13, 2026

Good morning, parents. As we head into the final school day of the week, we are observing a “spring surge” in several key regions. While the weekend offers a much-needed break for recovery, today remains a high-caution day for school attendance.

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The Daily Sick Meter

Status: RED (High Activity)

Current Trend: A combination of Influenza B reaching its seasonal peak and persistent Norovirus clusters has pushed school absenteeism above 12% in several major metropolitan areas.

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Important Notices & Health Alerts

• CDC/Health Canada Joint Advisory: Public health agencies have issued a reminder that Influenza B is currently the dominant strain for children under 18; parents are encouraged to monitor for high fevers that may “rebound” after 48 hours.

• Cleaning Protocol Update: Several districts in the Midwest have announced “Flash Disinfection” shifts this evening, meaning after-school activities may be moved or cancelled to allow for deep-cleaning of high-touch surfaces.

• Clinic Capacity: Pediatric urgent care centers in Region 4 (Southeast) and Ontario report “at-capacity” status; please utilize telehealth options for non-emergency “stay-home” notes to avoid long wait times.

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The “Big Three” Virus Update

• Influenza B: This strain is currently the “primary mover” in classrooms. Unlike the earlier winter wave of Flu A, Flu B is showing higher transmission rates among school-age children. Keep an eye out for sudden exhaustion and severe sore throats.

• Norovirus (Stomach Bug): Contagion remains very high, particularly in elementary school cafeterias. Because this virus is exceptionally hardy, we are seeing “household sweeps” where the entire family becomes symptomatic within 48 hours of a student’s first symptom.

• RSV & Colds: While RSV is declining for the general population, it remains a persistent issue for Pre-K through 2nd Grade. We are seeing an increase in “secondary infections” like ear infections and bronchitis following what seemed to be a simple cold.

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School Staffing Alert

Closure Risk: MEDIUM-HIGH

We are tracking a significant “Staffing Squeeze” today as the viral wave that hit students last week has now reached faculty and support staff.

• Hotspots for Closures: Watch for “Emergency Sick Day” announcements in The Great Lakes region and parts of New England.

• Transportation Warning: Bus driver shortages are at a critical level in HHS Region 6 (South Central); check your school’s transportation app for “Combined Route” delays or cancellations before heading to the bus stop.

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The “Stay or Go” Decision Table

Symptom	The Rule	The Decision
Fever (100.4°F+)	Must be fever-free for 24 hours without any medication.	STAY HOME
Active Vomiting	Must have had zero episodes for a full 24-hour cycle.	STAY HOME
Persistent Cough	If the cough is frequent, “barky,” or prevents wearing a mask.	STAY HOME
Runny Nose (Clear)	If the child has normal energy and no fever.	GO TO SCHOOL

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Regional “Hot Zones”

• HHS Region 2 (NY/NJ): Elevated pediatric Influenza B positivity.

• The Midwest (MI, OH, IL): High reports of Norovirus-related school absences.

• Pacific Northwest (WA, OR, BC): Staffing shortages causing “Pivot to Remote” warnings.

• HHS Region 4 (Southeast): Late-season RSV clusters in early childhood centers.

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Pro-Tip for Parents

The “Locker Purge”: Since it’s Friday, remind your student to bring home their gym clothes, water bottles, and hoodies today. These are prime “germ-collectors.” Give them a high-heat wash over the weekend to ensure a sterile start for Monday morning!