Family preparedness without panic.

Pre-make the decisions when nothing is urgent

The single most useful thing a household can do for preparedness is pre-decide. Sit down on a quiet weekend, when no one is sick, and write the answers to the questions you would otherwise be Googling at 11 p.m. with a feverish kid on your lap. Who calls the clinician? Which room is the sick room? At what temperature do we phone the pediatric line versus drive in? Where do we keep the thermometer, the pulse oximeter, the insurance cards? Decisions made calmly are almost always better than decisions made tired and afraid, and the act of writing them down means the plan survives whichever parent is awake at the time.

This guide is organized by household type because the right plan depends on who lives with you. A two-adult home with no kids needs a different baseline than a home with a four-month-old, and that home in turn looks different from one caring for an 82-year-old grandparent on chemotherapy. Read the section that fits, then skim the others — most families fall into more than one category over a lifetime. The same baseline also handles unfamiliar threats; for the long-tail "what if it's something we have never seen" version, see unknown pathogens and speculative preparedness.

Households with infants under 1

Infant care has a few hard rules that override almost everything else. The most important: a rectal temperature of 100.4°F (38°C) or higher in any baby under 3 months old is an immediate phone call to the pediatric line, day or night. Not a wait-and-see. Not a dose of acetaminophen first. The reason is that newborn immune systems can mask serious infection, and a fever in this age range can be the only outward sign that something needs labs and an exam. Keep the after-hours pediatric number programmed into both adults' phones, and keep a working rectal thermometer somewhere you can find it in the dark.

RSV season runs roughly fall through early spring in most of the United States. During that stretch, a small amount of extra caution pays off: ask visitors to wash hands before holding the baby, ask anyone with a cough or runny nose to wait for another visit, and politely decline crowded indoor gatherings during the worst peaks. Establish a visitor protocol you can repeat without negotiating each time. "We're keeping it small until she's six months. Please come over when you're feeling well, and we'll do hand-washing at the door." Most relatives will respect a clear rule far more than a vague hesitation.

Keep a humidifier, saline nasal drops, and a bulb syringe or nasal aspirator on hand. Ask your pediatrician at a well-visit which fever-reducer dose is appropriate for your baby's current weight, and write it on an index card on the fridge so you are not converting milligrams in your head at 2 a.m.

Households with young children

Toddlers and school-age kids bring a different rhythm. Daycare and elementary school are reliable engines for viral spread, and most healthy children will have several minor illnesses each year. Two practical anchors help. First, know your school's return-to-school rules cold: most require 24 hours fever-free without medication before sending a child back, and many add a vomiting and diarrhea rule of 24 to 48 hours symptom-free. Read the policy once, save the link, and stop relitigating it. Second, accept that sibling contagion is the norm rather than the exception. If one kid has a stomach bug on Monday, the other is statistically likely to have it by Thursday. Plan caregiver coverage with that timeline in mind rather than hoping for the best.

Keep a child-appropriate fever-reducer (talk to your pediatrician about acetaminophen or ibuprofen and the right dose by weight), an oral rehydration solution, and one or two extra sets of sheets washed and ready. The midnight laundry-machine routine is the small predictable misery of having young kids; preparation makes it bearable.

Households with pregnant members

Pregnancy shifts a few thresholds. Any fever of 100.4°F or higher at any point in pregnancy is a reason to call the obstetric provider promptly rather than wait. Save the labor and delivery triage line as a separate contact, not just the clinic number, since L&D is staffed around the clock and is the right destination for many late-pregnancy concerns. Familiarize the household with preeclampsia warning signs: a severe headache that does not respond to acetaminophen, vision changes such as spots or blurring, sudden swelling in the hands or face, and pain in the upper-right abdomen. Any of these warrants the same triage call.

The pregnant person should also have a current list of safe-in-pregnancy medications and avoid-in-pregnancy medications taped near the medicine cabinet, because the family member who runs to the pharmacy at 9 p.m. should not be guessing about ibuprofen versus acetaminophen.

Households with older adults

Older adults benefit from quietly aggressive vaccination upkeep: seasonal influenza, RSV per current adult recommendations, pneumococcal, shingles, and COVID-19 according to current public-health guidance. A medication reconciliation list is the single most useful piece of paper in a geriatric household: every prescription, dose, frequency, prescribing clinician, and pharmacy on one printed page, dated and updated whenever a change happens. Tape a copy inside a kitchen cabinet and put another in the wallet or go-bag. Emergency-room teams move much faster when you can hand them this list rather than reconstruct it under stress.

The rule that catches families off guard is the geriatric "atypical presentation." Older adults often do not run high fevers even with serious infection. Instead, the early sign of a urinary tract infection or pneumonia can be sudden confusion, a fall, a loss of appetite, or an unusual quietness. Treat new confusion as a symptom in its own right, not a personality quirk that day. A telehealth call or urgent-care visit triggered by "Mom is acting off" has saved more older adults than any single thermometer reading.

Households with immunocompromised members

If someone in your home is on chemotherapy, biologics for autoimmune disease, post-transplant immunosuppression, or has another condition that lowers immune function, have an explicit conversation with their specialist about thresholds. Many specialists prefer to be called early for any new fever or symptom rather than wait for it to declare itself. Write the threshold the specialist gives you on a sheet near the phone, along with the after-hours number and the preferred ER if escalation is needed.

Keep a packed go-bag in a closet by the door: insurance card photocopies, photo ID, the current medication list, a recent specialist note or treatment summary, a phone charger, and a change of clothes. Aggressive home ventilation matters more here than in any other household type. Run a HEPA purifier in shared spaces, open windows when weather permits, and consider upgrading the HVAC filter to MERV-13 if your system supports it. Visitors with any active respiratory symptoms wait for another week.

Multi-vulnerability households

Plenty of homes carry more than one of these categories at once: a pregnant adult with a toddler, an older parent moving in with a school-age grandchild, a new baby in a home with an immunocompromised sibling. When two or more vulnerabilities overlap, default to the more cautious member's plan for shared decisions, and create lightweight separation routines for the rest. The school-age child can still go to school, but hand-washing happens at the door before the baby is greeted. The healthy adult who came home from a conference with a sore throat sleeps in the spare room for a few nights and wears a well-fitting mask in shared kitchen time.

Household supplies, calmly

This is a kit, not a bunker. The goal is to cover the first 48 to 72 hours of a typical illness without a midnight pharmacy run.

• Thermometers: a digital oral or temporal model, plus a rectal one if you have an infant.
• Acetaminophen and ibuprofen in adult and, where applicable, child formulations, with a written dosing card.
• Oral rehydration salts or a pediatric electrolyte solution.
• A handful of well-fitting N95 or KN95 masks per household member.
• Rapid antigen tests, stored per package directions and checked seasonally for expiration.
• A pulse oximeter, especially valuable for higher-risk members during respiratory illness.
• One HEPA air purifier in the most-shared room of the house.
• A two-week buffer of any chronic medication, plus a written refill-timing list.
• Saline nasal spray, cough drops, tissues, hand soap, and a small bottle of hand sanitizer.

The household-is-exposed playbook

1. Identify the index case as soon as you reasonably can. Even a tentative answer helps.
2. Move the index case into the designated sick room with a dedicated bathroom if possible.
3. Mask in shared rooms during the acute phase, ventilate aggressively, and wash hands frequently.
4. Watch the most vulnerable household member's symptoms more closely than anyone else's.
5. For respiratory exposures, test on day 3 or 4 if symptoms appear, since day-zero testing is often falsely negative.
6. Pre-decide the threshold at which you will call telehealth, and act on it without renegotiating in the moment.

Communication and roles

In a stressed household, ambiguity costs minutes. Decide in advance who calls the clinician, who watches the children, who handles the supply run, and who stays with the sick person. Write it down on the same sheet as the supply list. The plan does not have to be elaborate. It just has to exist before you need it. When two adults are present, default to one being the medical lead and the other being the logistics lead for any given illness, and swap roles next time so neither burns out.

Related: Preparedness Hub · Respiratory Exposure · Emergency Warning Signs.