Yes, MSD Animal Health is discontinuing Nobivac Lepto 2 (L2) to shift focus toward the broader protection offered by the Lepto 4 (L4) vaccine, effective in late 2024/early 2025. This decision follows updated World Small Animal Veterinary Association (WSAVA) guidelines recommending quadrivalent vaccines.

Is Lepto 2 discontinued?

Transition to the Leptospirosis 4 Vaccine for Your Dog

We want to inform you that our vaccine manufacturer is discontinuing the Lepto 2 (L2) vaccine. All dogs will now start on or transition to the Lepto 4 (L4) vaccine.

Is the lepto vaccine being recalled?

There has been a voluntary recall by the manufacturer of a vaccine used to protect dogs against the bacterial disease leptospirosis. One dog has died and seven others have had "adverse reactions" within hours of receiving the Treidlia Auslepto vaccine.

What vaccines will no longer be available?

Due to changes starting in October of last year, there are now six vaccines no longer recommended for routine use by all children in the United States: rotavirus, COVID-19, influenza, hepatitis A, hepatitis B, and meningococcal vaccines.

What vaccines are they stopping?

For those born from 1st July 2024 onwards, the current 12 month Hib/MenC vaccine will stop and will be replaced with a further Hib-containing vaccine given at 18 months alongside the bringing forward of the second dose of MMR vaccine.

Major Changes to Dog Vaccines in 2025: Dr. Jones' Take on NECESSARY Leptospirosis Vaccine

Do vets still give Lepto 2?

The Lepto 2 vaccine has been discontinued, and the last of our stock expires at the end of September.

Is the Lepto-2 vaccine safe?

However, since then, evidence shows that serious side effects are rare (less than 5 cases per 10,000 injections) and in reality there is little difference in risk between the vaccines. Sadly, that doesn't mean that there are no risks to vaccination, especially as our pets may suffer allergic reactions much as we can.

Why is the Lepto vaccine bad for dogs?

Leptospirosis Vaccine Side Effects

Bacterin vaccines like Leptospirosis (and Lyme) are very risky. One reason experts might be refusing to use them on their own dogs is because the risk of infection isn't that high. But it's more likely due to the great number and significance of adverse reactions.

Which dog vaccines are absolutely necessary?

Absolutely necessary dog vaccines (core vaccines) protect against deadly, common diseases and include Rabies, Canine Distemper (D), Adenovirus (Hepatitis - H), Parainfluenza (P), and Parvovirus (P), often combined as DHPP or DAPP, plus Leptospirosis, depending on location/risk. These are essential for all dogs due to the severity and prevalence of these illnesses, with Rabies often legally required.

How long does the Lepto 2 vaccine last?

We are in lockdown and my dog has missed his booster; should I be worried? We are not sure how long immunity lasts after vaccination but it is likely to be less than 18 months in the case of Leptospira. For this reason, we advise yearly boosters.

Do dogs really need the Lepto vaccine every year?

Given that every dog is at risk, an expert panel has recommended that all dogs are vaccinated for leptospirosis annually rather than every three years.

What is the 3 2 1 rule for vaccines?

The "3-2-1" rule is a guideline for monitoring lumps at feline vaccination sites, indicating a lump needs veterinary investigation if it's still present 3 months after vaccination, is larger than 2 cm, or is growing larger 1 month after appearing. This rule helps identify potentially dangerous injection-site sarcomas, rare tumors that can develop in cats, prompting biopsies for suspicious masses. 

Which vaccine has been withdrawn?

After more than three billion doses, the Oxford-AstraZeneca Covid vaccine is being withdrawn. AstraZeneca said it was "incredibly proud" of the vaccine, but it had made a commercial decision.

What vaccine was stopped?

The FDA suspended Ixchiq's approval in August after raising serious safety concerns related to the vaccine.

Which vaccines have been pulled from the market?

The new schedule removes recommendations for flu and COVID vaccines for children. Also chopped were shots for rotavirus, meningitis, hepatitis A and hepatitis B. These shots can still be administered but only after consultation with a healthcare specialist.

Is the dog lepto vaccine being recalled?

Reason for voluntary recall: This product recall for Treidlia Auslepto Vaccine for dogs has been initiated due to reports of adverse reactions associated with batch number BN23-126.

At what age should you stop vaccinating your dog?

At what age do you stop vaccinating your dog? Senior dogs do not generally stop requiring vaccinations, but it will depend on your dog's lifestyle and overall health. Once a dog reaches seven years of age, its senior status requires some special considerations to keep them healthy and happy.

What vaccines have been eradicated?

Two infectious diseases have successfully been eradicated: smallpox in humans, and rinderpest in ruminants. There are four ongoing programs, targeting the human diseases polio, yaws, dracunculiasis (Guinea worm), and malaria.

What is the new vaccine 2025?

Influvac Tetra 2025/2026 Vaccine. Influvac Tetra 2025/2026 Vaccine helps protect you from influenza (flu). It works by exposing you to a small dose of the flu virus which helps your body to develop immunity against the disease. Vaccination will not treat an existing flu virus infection.

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