How many doses of pneumonia vaccine do adults need?

May 10, 2023 Source: Cainiu Health

Dr. Guo Xiheng

Introduction

Adults only need one dose of the pneumococcal vaccine. Pneumococcal vaccines are mainly divided into 7-valent, 13-valent, and 23-valent vaccines. The 23-valent vaccine is primarily used to prevent pneumonia caused by Streptococcus pneumoniae infection. Compared to other vaccines, it is more widely used and suitable for adults and children over two years of age. Under normal circumstances, adults require only a single dose.

Adults only need one dose of the pneumococcal vaccine. Specific details are as follows:

Pneumococcal vaccines are mainly divided into 7-valent, 13-valent, and 23-valent vaccines. The 23-valent vaccine is primarily used to prevent pneumonia caused by Streptococcus pneumoniae infection. Compared with other vaccines, it has a wider application and is suitable for adults and children over two years old. Generally, adults only need one dose to achieve preventive effects. However, the protection provided by this vaccine lasts about five years; individuals with weakened immune systems may receive a booster dose after five years to enhance immunity. The 7-valent and 13-valent vaccines are mainly intended for children under two years of age. The standard vaccination schedule requires four doses, although some children may only require three doses if the vaccination intervals are appropriate. These vaccines offer relatively good protection against pneumonia in high-risk groups with weaker immune systems, such as the elderly and infants, but they cannot completely prevent all types of pneumonia.

It is recommended that individuals also pay attention to staying warm and protecting themselves from cold in daily life to avoid developing pneumonia.

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Who is suitable for the 23-valent pneumococcal vaccine?

The 23-valent pneumococcal vaccine, commonly known as the 23-valent pneumonia vaccine, is suitable for individuals aged 2 years and older who are susceptible to pneumococcal infection. It is also recommended for those with chronic liver disease, alcohol intoxication, or impaired immune function. Generally, a single dose is sufficient; however, high-risk individuals for pneumococcal infection or those whose antibody levels decline rapidly after the initial vaccination may receive a second dose.

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Can people with pulmonary bullae receive the pneumonia vaccine?

Pneumothorax patients are not always eligible for pneumococcal vaccination. If the condition is relatively stable and there are no symptoms such as cough, chest tightness, chest pain, or shortness of breath, vaccination is generally acceptable. However, if the pneumothorax is in an acute phase, prompt treatment is usually required, and vaccination should be postponed until the condition stabilizes to avoid worsening the illness.

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Is it effective to get a pneumonia vaccine?

Injecting the pneumonia vaccine is generally effective, but it is not useful if the patient already has pneumonia. Pneumonia vaccines are usually inactivated vaccines; after vaccination, they stimulate the body to produce specific antibodies, thereby preventing pneumonia. If exposed to the relevant pathogens again, the body can quickly mount an immune response to eliminate the disease-causing bacteria.

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How many days after receiving the pneumonia vaccine can one take medication?

Under normal circumstances, medications can be taken 2–3 days after receiving the pneumonia vaccine. The exact timing should follow medical advice. If the recipient is in good health and experiences only mild reactions to the vaccine, such as localized redness, pain, or low-grade fever that have subsided approximately two days after vaccination, and no new symptoms have appeared, other medications may be taken in appropriate doses under a doctor's guidance.