Health | Science | Investigations

National Health Alerts

INDEPENDENT HEALTH JOURNALISM SINCE 2011

INVESTIGATION • THE GAP (URGENT) • UPDATED JULY

5 Things a Ontario ER Doctor Wants You to Know Before Your Next Walk Outside. Because This Is the Worst Tick Year Since 2017, and the Bite That Changes Your Life Is One You Will Never Feel.

Published: Friday, July 10 2026

"Surges in tick borne viruses nearly wiped out this N.J. man’s memory. People should know that it exists and how they can stay protected."

- Dr. Rachel Morgan

Approved by Health Alerts Official Team

 Reviewed by Michael Grant - Tick Safety Specialist

Maybe you check the kids every night. Maybe you spray the yard, or you refuse to, for the bees. Maybe you read the back of the flea and tick box at midnight, wondering why you keep finding them anyway.

I work a crowded emergency room here in Ontario, which puts me at the far end of every tick season. I never see the bite. I see what walks in weeks later. The joint pain that will not quit. The man who woke at 2am unable to breathe, hours after a burger. The parent holding a child with a fever nobody can place.

Nearly every one of them had done something to prevent it. It did not work.

Here are the six things I wish every one of them had known first.

1. Almost everything you have been doing happens after the bite.

Whatever you've been doing if anything; was not wrong. It's a simple case of bad timing.

The nightly check. The pet's pill. The yard spray. The tweezers by the door.

Every bit of that happens after. The pill kills the tick once it has already bitten your dog. The yard spray kills what crawls across the grass, and it never leaves the yard with you. The nightly check finds the ones that already got on.

Not one of them stops a tick from finding a body in the first place. You were not failing. You were locking the door after the guest was already in the house.

And then there is the one thing you own that does happen before. The spray in your bag. That one I have to talk about on its own, because that is where most of the people who end up in my department were sure they had it covered.

2. The spray in your bag is the right idea. Now look at what is in it.

Two kinds on that shelf. Both have a problem.

The natural ones first. If you ever suspected they were scented water, you were right. Almost every botanical on that shelf was never required to prove it does one thing to a tick. If you have heard there is no plant with real peer-reviewed evidence against ticks, that is very nearly true, and it is why serious people will not touch the natural aisle.

Then DEET. Excellent on mosquitoes. On ticks, not the sure thing people think, and the ones who understand this risk best do not trust it alone. Look at what they do. Permethrin on the clothes. Forty percent DEET on the skin. Pants tucked into socks. And they still search every inch of themselves when they come inside. Four layers and a hunt, every time.

Nobody keeps that up all summer. And when it slips, and it always slips, they are out there with nothing.

So count what you are left holding. A bottle that was never asked to prove a thing. Or a system so heavy that almost nobody runs it right for more than a few weekends.

That is the whole shelf. And that is why I keep seeing these people.

3. You will never feel the one that gets you.

This is the thing people in my department are most stunned to hear, always too late.

You are not going to feel the bite. Ever. A tick's spit numbs the spot while it feeds, so there is no sting, no itch, nothing to scratch. It can sit on you for hours, or on your child, or ride in on the dog and cross to your arm at 2am, and you will feel completely normal the entire time.

By the time anything shows up, the tick is long gone.

That is why the checking never gave anyone peace. You were hunting for something built to be unfindable.

Similar articles

Cycling's Next Big Thing Unveiled

Top 5 Most Coveted Road Bikes of 2024

Customer experiences

“The GEM Road Bike is a game-changer. Responsive and comfortable - I can ride for hours.”
Sarah - Avid Cyclist

“Skeptical at first, but the GEM's power and control made me a true believer.”
Mike - Competitive Racer

4. It is not finding you by accident. It is hunting you.

Here is the part that changes how you look at your own backyard.

A tick cannot see you. It has no real eyes. It cannot fly, and it cannot jump.

So how does something blind, that can barely move, find one person in an entire field?

It reads the air.

It climbs to the tip of a blade of grass and holds its front legs out. Those front legs are covered in sensors, and what they are reading is you. The carbon dioxide you breathe out. The heat coming off your body. The scent of your skin.Those three signals together tell it one thing. Warm. Alive. Blood. This way. It never sees you walk past. It smells you coming, and it takes hold as you brush by. You were not spotted. You were tracked, by signals leaking out of your own body that you cannot feel and cannot switch off.

And the lone star tick, the one spreading fastest in this country right now, does not even wait for you to walk into it. It hunts. Research has it locking onto a host's carbon dioxide from as far as seventy feet away and moving toward it. It carries a sensor on its forelegs tuned to your breath and your body heat, and it comes for you.

 

Read that again, and then look out your window.

 

Right now, at the edge of your lawn, on the trail you walk, along the fence line where the dog goes, there are ticks sitting with their front legs held out, reading the air. They are not waiting for you to get around to this. Every time you step outside unprotected, you are the loudest thing out there.

5. What these ticks carry, you do not get to undo. And the clock is running right now.

This spring the CDC put out an early warning, ahead of schedule. Emergency room visits for tick bites are the highest they have been for this point in the year since 2017, up more than a quarter over the same time last year, in nearly every part of the country. There are more of these things out there right now than there have been in almost a decade, and they are turning up in places they never used to be.

Here is what they hand you.

Lyme, if the early test misses it, and it misses plenty, can stay for years. The joint pain and the fog that sleep will not fix.

Alpha-gal, from the lone star, has no cure. One bite, and your own immune system turns on red meat, then often dairy, then gelatin, for the rest of your life. The CDC estimates around 450,000 Americans already have it and most of them do not know yet. One hospital on Martha's Vineyard ran nine of these allergy tests in 2020. Last year it ran over sixteen hundred. Massachusetts just began ordering doctors to report every case.

And Powassan, carried by the common deer tick, is the one that should end the argument about whether checking is enough. Lyme usually needs a tick attached a day or more before it can pass. Powassan can pass in as little as fifteen minutes.

You cannot check yourself every fifteen minutes. Nobody can.

There is no treatment and no vaccine. About one in ten of the severe cases do not survive. It hit a record last year and it is climbing again.

Now do the math on waiting.

Peak season is right now, and it runs through October. Every weekend you wait is a weekend of free shots at you and everyone in your house. Every walk to the mailbox, every hour in the garden, every trip to the lake is a body giving off signals with nothing covering them.

And it will not be a headline when it happens to you. It will be a Tuesday. A walk you have taken a hundred times. A bite you never felt. And a life you do not get to undo.

The only question is whether you are wearing anything when it comes.

 

DEFEND YOURSELF AND YOUR LOVED ONES

6.The only thing that works is going quiet before you step outside.

Once you see that the only moment you control is before, the answer gets almost stupidly simple.

You do not fight the tick. You take away the thing it hunts you by.

And that is what a real repellent does, which is not what most people picture. It does not build a wall the tick decides not to climb. It goes at the sensor. Peer-reviewed work has shown that repellents scramble a tick's ability to sense a host, the very equipment on those front legs it uses to find you. The tick is still out there, still sweeping the air, still hunting. But where you are standing, it comes up with nothing. No carbon dioxide to lock onto. No heat trail. No scent.

It reaches out, finds no sign that a person is there, and moves right past.

You go quiet. And it cannot aim at what it cannot detect.

Now, I told you almost every plant on that shelf was never required to prove anything against a tick. That is true.

Exactly one broke the rule.

Oil of lemon eucalyptus. The only botanical the CDC lists next to DEET as proven on ticks. Not folk wisdom. The same testing.

And on the lone star tick, the one that ends red meat for the rest of your life, it did the thing no plant is supposed to do. Head to head, at six hours, it out-repelled DEET itself.

Not a backup for DEET. It beat it, on the tick that matters most right now. And without DEET going on your skin, or your child's.

The one I point people to that runs it at the real, verified strength is PrimoraMD. Thirty percent, the concentration that earns that recognition, not a drop of oil in a bottle of water with a leaf on the label. [ORIGIN LINE: must be literally true and match the label and the ads.] Because it is a plant and not DEET, it is cleared for the whole household, down to the little ones.

You wear it before you head out, not after. On skin it holds a few hours, so you top it up on a long day. On your clothes, the socks, the cuffs, the pant legs where they climb, it holds far longer.

Be clear about what it is. It does not cure anything and it does not treat anything. It does one thing. It covers the signals a tick tracks you by, so the bite never happens. You will not feel a thing wearing it, and that is exactly the point.

The Gap

If you have tried three things that did not work, there is one reason, and it is the same reason every time.

Everything in the cold aisle of tick protection falls into two piles. 

 

The first pile kills ticks after they are already on a body, the yard spray, the pet's pill. The second pile finds ticks after they are already on you, the nightly check, the tweezers by the door. Both piles work after. Neither one keeps a tick from detecting your body heat in the first place.

 

That's it. That is why the careful people still end up in my department. Primora is the only formula that works before, at the one moment that was ever in your hands.

The Mechanism

A tick can't bite
what it can't find.

A tick doesn't see you — it's nearly blind. It smells you: the carbon dioxide you breathe out, your body heat, the scent off your skin. Primora's oil of lemon eucalyptus scrambles every one of those signals, so a tick reaches out from the grass and finds nothing to climb onto. No signal. No bite.

Skin · Unprotected Target Locked
CO₂Exhaled breathDETECTED
HEATBody warmthDETECTED
SCENTSkin odorDETECTED
Skin · With Primora Signal Lost
?
CO₂Exhaled breathSCRAMBLED
HEATBody warmthMASKED
SCENTSkin odorSCRAMBLED
It locks on, and it bites.The tick reads a clear signal, climbs to skin, and latches — a bite you'll never feel.
It reaches out, and finds nothing.With no signal to home in on, the tick never climbs on. Nothing to feel. Nothing to find later.
STEP 01

A tick hunts by scent

Nearly blind, it waits on a blade of grass with its legs out — reading your CO₂, your body heat, and your skin to find a body to climb.

STEP 02

Primora scrambles the signal

Oil of lemon eucalyptus jams the exact cues a tick homes in on. To the tick, treated skin doesn't read as a warm animal at all.

STEP 03

It never climbs on

The tick reaches out, gets nothing, and waits for the next thing that isn't wearing it. The bite never happens — the only part you control.

Why Primora

Every other option makes you choose. This one doesn't.

The candle-aisle "naturals"

Botanical sprays

Citronella, peppermint, garlic blends. They smell nice.
✓ Plant-based
✕ Registered & proven on ticks
The chemical standard

DEET

Effective — but a synthetic solvent many won't use on kids daily.
✕ Plant-based
✓ Registered & proven on ticks
The only one that's both
Primora

Oil of Lemon Eucalyptus · 30%

Plant-based and registered — the gap nobody else fills.
✓ Plant-based
✓ Registered & proven on ticks
CDC
LIST
Of every plant-based repellent that exists, oil of lemon eucalyptus is the only one the CDC lists alongside DEET and picaridin — the only botanical proven against ticks. Primora runs it at the registered 30% strength, not a splash of oil in a bottle of water with a leaf on the label.
Oil of Lemon Eucalyptus · Sourced from Australia · Made in the USA

Primora is a repellent — it keeps ticks and mosquitoes from landing and biting. A few hours of protection on skin, and far longer on clothing and gear. Reapply on skin as directed.

Check Availability ->

Check Availability ->

The True Expense

What it costs to wear protection before every walk. "For the rest of your life" . How long alpha-gal takes away red meat, from one bite you never felt.

 

A round of Lyme treatment, or a life without meat, or thirteen days someone you love spends in a hospital bed, VS a bottle you put on before you step outside. That is the comparison. It is not subtle; people who move their protection to before have stopped showing up and have started sending me thank you cards.

Notes from other people

The people who wear it walking out the door, instead of hunting for ticks walking back in, stop describing a bad summer. They describe quiet. They garden again. They let the kids back outside. They sit on their own couch without checking it first.

Check Availability ->

Defend yourself. For Good.

CLAIM ONE TIME OFFER ->

More posts

Cycling's Next Big Thing Unveiled

“Skeptical at first, but the GEM's power and control made me a true believer.”
Mike - Competitive Racer