protect against (someone or something)

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protect against (someone or something)

1. To guard, defend, or inoculate against someone or something. This vaccine protects against the flu for the entire winter. We need to invest in top-of-the-line security software to protect against cyber attacks. The walls of the encampment were fortified and lined with spears to protect against invaders.
2. To guard, defend, or inoculate someone, something, or oneself against someone or something else. In this usage, a noun or pronoun is used between "protect" and "against." I know you want to protect your kids against injury, but you can't keep them cut off from the real world either. Tourists are being advised to protect themselves against pickpockets in the city center.
See also: protect

protect someone or something against someone or something

 and protect someone or something from someone or something
to shield or preserve someone or something against someone or something. Please come along and protect us against muggers as we walk home. What will protect my car against thieves?
See also: protect
References in periodicals archive ?
ISLAMABAD -- Scientists have identified a species of bacteria in the human infant gut that protects against food allergies and may be used in therapies to reverse the condition.
This single injection protects against six childhood illnesses - diptheria,tetanus, whooping cough, polio, Hib (Haemophilus influenzae type B and Hepatitis B - and is given at eight, 12 and 16 weeks old.
The Skech Echo iPhone X case protects against 15 foot drops and includes port protections.
The collaboration involving the universities of Lancaster, Aston and Complutense in Madrid devised two universal vaccines: one covers 95 per cent of known US influenza strains and another protects against 88 per cent of known flu strains globally
Vetrotech's bullet-resistant glass protects against firearms with the heaviest calibres, up to 20mm.
81 percent of parents said prior to their participation in the survey they did not know or were not sure that there were two different meningococcal vaccines; one vaccine that protects against groups A, C, W, Y and a different one that protects against group B.1
The seasonal flu vaccine protects against the influenza viruses that research indicates will be most common during the upcoming season.
"They are more numerous and more active in the summer months and protecting against tick bites protects against Lyme disease."
The study by experts from the Baylor College of Medicine in Houston, Texas, reveals that a naturally-occurring protein called lubricin - or Proteoglycans 4 - protects against osteoarthritis.
MOST landlords are aware of the importance of having specialist landlord insurance which protects against unforeseen incidents which can occur in a rental property.
The FluMist Quadrivalent vaccine from AstraZeneca PLC's MedImmune unit protects against two strains of influenza A and two strains of influenza B.
According to a study undertaken by the Health Protection Agency (HPA), the NHS could save money if it switched cervical cancer vaccines to one that also protects against genital warts.
The move comes as NHS stocks of the seasonal flu vaccine, which protects against three different types of the flu virus, including swine flu, are running low across the region.
WHAT IT PROTECTS AGAINST: Insurance that covers a property owner from the risk that the title to real estate may contain defects, liens or encumbrances.
The HPV - Human Papillomavirus vaccination - protects against two strains of the virus which cause 70% of all cases.