Can you get chickenpox more than once?

Once a person has had chickenpox (varicella), they typically develop lifelong immunity to the virus—varicella-zoster virus (VZV). This means that a second episode of classic chickenpox is extremely rare in immunocompetent individuals. The immune system usually mounts a robust and durable response after primary infection, effectively preventing reinfection. However, there are important exceptions. In rare cases, individuals with weakened immune systems—such as those undergoing chemotherapy, orga

Can two different vaccines be administered at the same time?

Yes, it is generally safe and medically appropriate to administer two different vaccines during the same visit. According to guidelines from the U.S. Centers for Disease Control and Prevention (CDC), the World Health Organization (WHO), and major immunization authorities worldwide, co-administration of multiple vaccines—whether live attenuated, inactivated, subunit, conjugate, or mRNA-based—is not only permissible but often recommended to improve vaccination coverage and timeliness. When admini

What causes pneumonia?

Pneumonia is an infection that inflames the air sacs—known as alveoli—in one or both lungs. It can be caused by a wide range of infectious agents, including bacteria, viruses, fungi, and, less commonly, certain parasites or non-infectious triggers such as aspiration of gastric contents or exposure to chemical irritants. Bacterial pneumonia is most frequently caused by Streptococcus pneumoniae, though other pathogens like Haemophilus influenzae, Mycoplasma pneumoniae, Legionella pneumophila, and

Why do I get acne when wearing a face mask?

Wearing masks can lead to a specific type of acne known as “maskne”—a colloquial term for acne mechanica. This condition arises primarily from three interrelated factors: friction, occlusion, and moisture buildup. The constant rubbing of the mask against the skin irritates hair follicles and disrupts the skin barrier. Simultaneously, the mask creates a warm, humid microenvironment that traps sweat, sebum, and respiratory droplets—promoting bacterial proliferation (notably Propionibacterium acnes

Does a neck hemangioma require surgery?

Whether a neck hemangioma requires surgical intervention depends on several clinical factors, including its size, location, growth pattern, symptoms, and potential for complications. Hemangiomas are benign vascular tumors composed of proliferating endothelial cells; in infants, they often follow a characteristic course of rapid proliferation during the first 6–12 months of life, followed by gradual involution over several years. Most small, asymptomatic hemangiomas—especially those confined to

Home > FAQ > Dr. Shen Jian, Chief Physician, Beijing ...

Dr. Shen Jian, Chief Physician, Beijing Hospital

210 views

Disclaimer: This site is a medical service platform; some page content is AI-assisted. Health-related information does not constitute medical advice. If you have any questions, please consult a healthcare professional. See full disclaimer

Dr. Jian Shen is a Chief Physician at Beijing Hospital, a prestigious tertiary-care medical center affiliated with the National Health Commission of the People’s Republic of China. As a senior attending physician, Dr. Shen specializes in clinical medicine and contributes to patient care, medical education, and academic research within his field. Beijing Hospital serves as both a national referral center and a key teaching hospital for Peking University Health Science Center, playing an integral role in advancing evidence-based practice and training future generations of physicians.

#Parkinson's disease #Alzheimer's disease #ewy-body-dementia #multiple system atrophy #cognitive impairment #motor impairment

Dr. Shen Jian, Chief Physician, Beijing Hospital

Related Questions

AI Medical Advisor

My Patient Budget Plan

Dr. Shen Jian, Chief Physician, Beijing Hospital

Related Content

Related Questions

Can you get chickenpox more than once?

Can two different vaccines be administered at the same time?

What causes pneumonia?

Why do I get acne when wearing a face mask?

Does a neck hemangioma require surgery?

AI Medical Advisor

Get Free Medical Tourism & Treatment Plan

Request Submitted Successfully!

My Patient Budget Plan