FLU-COVID-RSV: Johns Hopkins Drops Cold-Season Playbook

Woman wrapped in a blanket blowing her nose — Photo: fizkes / Shutterstock

Johns Hopkins physicians, led by Dr. Lisa Maragakis, boiled winter virus defense down to a simple plan you can actually follow.

Story Snapshot

Johns Hopkins urges layered protection: vaccines plus daily habits that cut spread.
Dr. Lisa Maragakis, a Johns Hopkins infection-prevention leader, explains how to guard against flu, COVID-19, and RSV.
Masks, hand hygiene, and staying home when sick remain core tools that work together.
Symptoms overlap across viruses, so testing guides care and keeps people around you safer.

Johns Hopkins’ Six-Point Playbook For Respiratory Season

Johns Hopkins Medicine set clear steps for winter. First, stay up to date on vaccines for flu, COVID-19, and respiratory syncytial virus if you qualify. Vaccines lower the risk of severe illness and keep hospitals from filling up. Second, wear a well-fitted mask in crowded indoor spaces, on public transit, and when you feel sick. Masks cut how much virus moves from person to person. They add a layer when you need it most.

Third, wash hands often with soap and water for at least 20 seconds. Use alcohol-based sanitizer when sinks are not nearby. Clean hands block germs you pick up on rails, doors, and screens. Fourth, cover coughs and sneezes, and crack a window or use a portable air cleaner when guests gather. Better air flow lowers the dose of virus in the room, which lowers risk.

Stay Home When Sick And Use Tests To Guide Your Choices

Fifth, stay home when you are sick. Avoid close contact with others until fever ends and symptoms improve. This is simple, but it is the fastest way to protect coworkers, friends, and older loved ones. Sixth, test when you have symptoms or a known exposure. Johns Hopkins experts note that flu, COVID-19, and respiratory syncytial virus can look the same at first. Symptoms alone cannot tell you which one you have. Over-the-counter and combo tests help you act fast and right-size care.

These steps work best as a set, not as either-or choices. Vaccines cut severe disease. Masks cut spread. Hand hygiene, cough etiquette, and better air lower exposure. Testing and staying home break the chain of transmission. This “many small shields” approach is the heart of hospital infection control and now fits daily life in winter.

Why Listening To Dr. Maragakis Carries Weight

Lisa Maragakis serves as Senior Director of Infection Prevention at Johns Hopkins and is a Professor of Medicine. She works inside the hospital system that trains infection-control teams and tracks outbreaks. She also publishes research on how viruses move in real settings. That mix matters. It ties each tip to real-world practice, not just theory.

The Johns Hopkins respiratory-virus hub backs up these steps across pages and a seasonal explainer. Their winter release lays out the risks and the tools. Their mask guidance explains when and why to add face coverings. Their video series puts experts on camera to show how families can use testing and vaccines together. The message stays the same across formats: layer your defenses and you lower your odds.

How To Apply The Six Tips Without Upending Your Routine

Plan your shots in one stop. Ask your doctor or pharmacy about flu and COVID-19 updates, and whether you qualify for a respiratory syncytial virus vaccine. Keep a few high-filtration masks in your coat pocket and car. Mask up in airports, trains, and crowded events during peak weeks. Set a winter habit: wash hands when you get home, before meals, and after rides. Stock two boxes of rapid tests so you can check symptoms before you visit grandparents.

Build a simple sick-day rule at home and work. If you wake with fever, bad cough, or body aches, stay home, test, and rest. Tell close contacts if you test positive so they can protect others. Open a window when friends come over, or run a portable air cleaner in the living room. None of this is fancy. All of it stacks the odds in your favor and protects the people you care about most.