You state that the renter's have insurance. Their policy should be an HO-4 policy which is for people who rent and home covering their contents and liability. They own the dog and they will be responsible for the damage done by their dog. I hope your child is alright.
No, The owner of the property is not liable for the actions of a tenants pet. The property owner likely has no control over the pet, was not involved in it's training, the animal was not in the property owners care or custody and they were probably not even present at the sleep over when the bite occurred. There is therefore no means by which to accuse the property owner of wrong doing here.
Bear in mind that your now mandatory ( meaning we all have it now ) Medical Insurance policy provided under Obamacare will cover all injuries from a dog bite and it does not matter who owned the dog nor where it occurred.
Additionally, since your question states that "the owner of the dog has insurance" Then the owner of the dog is who you will turn to for negligence and or liability coverage. It's the tenants dog, was in there care and custody and the tenant has insurance.
Leech bites do not typically make people sick. However, some people are highly allergic to the leech bite and require immediate medical attention if bitten.
Catastrophic medical insurance is insurance only for large payments when something major happens to you. If you have regular health insurance, you do not need to purchase catastrophic insurance as well.
Chap toasters
There are several different countries in which it is mandatory to have medical travel insurance. Many countries in Europe, like Sweden, for example, require people to have medical travel insurance.
The entire property and casualty insurance industry employed about 616,000 people in 1994, while non-property/casualty insurers employed about 935,000 people.
Damage to both people and property are covered by auto insurance. Aside from protecting the insured against the claims of others (for bodily harm or property damage, for example), auto insurance typically helps pay for medical expenses needed by the insured or other person involved in the accident AND it covers costs leading to loss or damage of the automobile stated in the insurance.
Property damage liability insurance is to cover the damage you may cause to someone else's property. Different states have different car insurance requirements and regulations. Further, some people get larger property liability insurance coverage than the minimum requirements.
The have the property to protect.
A Harvard Medical Study Links Lack of Insurance to 45,000 U.S. Deaths a Year
People pay health insurance to fight against skyrocketting medical expenses and medicine cost.
I'm pretty sure this depends on who is the insurance company, but most travel insurance policies will cover emergency medical expenses. For every day medical expenses, you will have to talk to your every day insurance company.
Property and liability insurance covers a range of possibilities such as passers-by getting hit by falling masonry from your home, people injuring themselves whilst at your property or the cost of repairing your property due to an accident.