An adolescent tells the school nurse that she is pregnant. Her last menstrual period was 4 months ago, and she has not yet received any medical care. She smokes but denies any other substance use. Which interventions should the nurse implement? (Select all that apply.)

A) Contact kindergarten parents to remind them that the second dose of MMR is due at the start of the school year:
Directly contacting parents before the school year begins is the most effective intervention for ensuring that students receive the necessary immunizations. By reminding parents ahead of time, the school nurse can help ensure that the second dose of the MMR vaccine is administered before the start of kindergarten, which is crucial for meeting school entry requirements and protecting public health.

B) Send notices home with the children on the first day of class advising that MMR vaccine series must be completed:
Sending notices on the first day of class might be too late for many parents to act on promptly. Ensuring that children have received the second dose of the MMR vaccine before the school year starts is important for compliance and preventing potential outbreaks.

C) Note in student records that the second dose of the MMR vaccine should be administered prior to entering first grade:
While noting the requirement in student records is important for long-term tracking, it does not address the immediate need to ensure that students are up-to-date with their vaccinations before starting kindergarten. Immediate action is necessary to ensure compliance at the beginning of the school year.

D) Speak at the next parent-teacher association meeting to teach parents the benefits of immunizing their children:
While educating parents about the benefits of immunization is valuable, it does not directly address the immediate need for the second dose of the MMR vaccine. Direct reminders and actions to ensure vaccinations are up-to-date are more effective in achieving timely compliance.

A) Hepatitis B vaccine:
While Hepatitis B is a significant vaccine for many travelers, especially those at risk of bloodborne pathogen exposure or those planning extended stays, Hepatitis A is more commonly prioritized for short-term travel to developing nations where sanitation and food safety may be compromised.

B) Influenza vaccine:
The influenza vaccine is important for seasonal protection against flu, but it is not specifically targeted at the types of health risks commonly encountered in developing nations. It's generally recommended for annual protection but is not the primary concern for travel to developing countries.

C) Tetanus toxoid vaccine:
Tetanus is a concern for wound management and prevention of tetanus infection, but it is not specific to travel to developing nations. This vaccine is typically part of routine immunizations and might be updated based on injury or specific risk factors, rather than travel alone.

D) Hepatitis A vaccine:
Hepatitis A is crucial for travelers to developing nations because it is transmitted through contaminated food and water. In areas with poor sanitation and hygiene, the risk of Hepatitis A is high. Therefore, the Hepatitis A vaccine should be prioritized to prevent infection in these conditions.