What is the prevention of BCG?

With the development of medical technology, parents are required to prevent their children's diseases, in other words, they should take their children to the hospital for vaccination within the specified time. Today, I will introduce BCG to you. Before vaccination, it is necessary to know something about this vaccine, such as what diseases BCG prevents.

1, what is BCG?

BCG is a vaccine to prevent tuberculosis, which is made of live and nontoxic Mycobacterium bovis. After inoculation, people can have immunity to human mycobacterium tuberculosis. More than 90% of the recipients will form local ulcers after inoculation, which will heal and form scars after several weeks or half a year. After inoculation with BCG, it can effectively prevent tuberculous meningitis and hematogenous disseminated tuberculosis.

2. Vaccination time

Regarding the time of BCG vaccination, experts said that the time of BCG vaccination is determined according to the health status of the baby at birth. If the baby is full-term and weighs more than 2.5kg, it can be vaccinated 24 hours after birth and completed within 12 months at the latest. If the baby is premature, it is best to be vaccinated 6 months after delivery. If you weigh more than 2.5kg within half a year, you can pass the doctor's examination. If it meets the development index, it can also be inoculated with BCG.

3. Precautions for vaccination

First of all, we should know that antibodies cannot be produced immediately after BCG vaccination. It takes some time, and the normal time should be about two months. Children who have been vaccinated will have thick bubbles at the vaccination site. At this time, you can't catch them with your hands. You can apply some ointment. When it slowly ruptures and scabs on its own, a round scar will appear after the scab falls off. At this time, the body is telling you that the BCG vaccination was successful.

In addition, we need to pay attention to the fact that not only should we not scratch blisters with our hands after BCG vaccination, but we should also clean the wounds in time every day to prevent serious infection. If there are some special circumstances, such as children's general fever or other obvious symptoms, they must be sent to the hospital for examination in time to avoid serious consequences due to delayed treatment. Vaccination with BCG is a preparation in advance to prevent us from getting tuberculosis in the future. To know whether the vaccination is successful, it is not only to see whether there is a circular scar on the arm, but also to carry out scientific certification in about two to three months. This is the most reassuring and effective way to confirm whether the vaccination is successful.