Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Vaccinations01:51

Vaccinations

44.4K
Overview
44.4K
Prevalence and Incidence01:08

Prevalence and Incidence

466
In statistical epidemiology and health sciences, two essential metrics—prevalence and incidence—are fundamental for understanding disease dynamics within a population. These measures enable public health officials, epidemiologists, and researchers to assess the burden of diseases, allocate resources effectively, and design impactful public health policies and interventions.
Prevalence indicates the proportion of individuals in a population who have a specific disease or health...
466
Pie Chart01:04

Pie Chart

14.1K
A pie chart (or a pie graph) is a circular graphical chart or a pictorial representation of categorical data. It is divided into slices of pie each indicating numerical proportions. It is also used to show the relative sizes of data in a single chart.
In a pie chart, the central angle, the arc length of each slice, and the area are directly proportional to the quantity or percentage it represents. Some real-world examples that can be depicted using pie charts include marks obtained by students...
14.1K
Immunological Memory01:23

Immunological Memory

595
Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
595
Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

15.0K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
15.0K
Contingency Table01:29

Contingency Table

2.5K
A contingency table provides a way of portraying data that can facilitate calculating probabilities. It is a method of displaying a frequency distribution as a table with rows and columns to show how two variables may be dependent (contingent) upon each other; The table helps determine conditional probabilities quite quickly and can help systematically organize, analyze and quantify data. The table displays sample values concerning two variables that may be dependent or contingent on one...
2.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same authorSame journal

Lyme disease in Poland in 2023.

Przeglad epidemiologiczny·2026
Same authorSame journal

Pertussis in Poland in 2023.

Przeglad epidemiologiczny·2026
Same author

Public spending on immunisation in Poland.

Frontiers in public health·2025
Same author

Chickenpox in Poland in 2023.

Przeglad epidemiologiczny·2025
Same author

Mumps in Poland in 2023.

Przeglad epidemiologiczny·2025
Same author

Measles in Poland: 2022-2023.

Przeglad epidemiologiczny·2025

Related Experiment Video

Updated: Jun 25, 2025

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

2.3K

Chickenpox in Poland in 2021.

Joanna Bogusz1, Iwona Paradowska-Stankiewicz1

  • 1National Institute of Public Health NIH - National Research Institute Department of Epidemiology of Infectious Diseases and Surveillance Narodowy Instytut Zdrowia Publicznego PZH - Państwowy Instytut Badawczy Zakład Epidemiologii Chorób Zakaźnych i Nadzoru.

Przeglad Epidemiologiczny
|May 24, 2024
PubMed
Summary

Chickenpox cases in Poland significantly decreased in 2021, with incidence dropping 42% from the previous year. This decline is linked to COVID-19 pandemic restrictions reducing virus transmission.

Keywords:
2021Poland 2021Polskachikenpoxepidemiologiaepidemiologyospa wietrzna

More Related Videos

Influenza Virus Propagation in Embryonated Chicken Eggs
06:56

Influenza Virus Propagation in Embryonated Chicken Eggs

Published on: March 19, 2015

43.2K
Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3
07:35

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3

Published on: April 13, 2009

8.2K

Related Experiment Videos

Last Updated: Jun 25, 2025

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

2.3K
Influenza Virus Propagation in Embryonated Chicken Eggs
06:56

Influenza Virus Propagation in Embryonated Chicken Eggs

Published on: March 19, 2015

43.2K
Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3
07:35

Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3

Published on: April 13, 2009

8.2K

Area of Science:

  • Epidemiology
  • Public Health
  • Infectious Diseases

Background:

  • Chickenpox (varicella) is a highly contagious viral illness preventable by vaccination.
  • Despite recommendations and availability, chickenpox remains common in Poland, with a rising incidence trend prior to 2020.
  • A notable decrease in chickenpox incidence was observed in 2020.

Purpose of the Study:

  • To analyze and compare epidemiological indicators of chickenpox in Poland for 2021 against previous years.
  • To assess the influence of the COVID-19 pandemic on chickenpox incidence patterns.

Main Methods:

  • Analysis of aggregate epidemiological data from official Polish bulletins for 2021.
  • Review of "Infectious Diseases and Poisons in Poland in 2021" and "Immunization in Poland in 2021" reports.
  • Inclusion of 2021 Immunization Program recommendations.

Main Results:

  • Poland registered 57,669 chickenpox cases in 2021, a 42% reduction from 2020.
  • Incidence in 2021 was 151.1/100,000, significantly lower than in 2020 and 2019 (470.6/100,000).
  • Highest incidence occurred in children aged 0-4 years; males and urban residents showed slightly higher rates. Hospitalizations accounted for 0.36% of cases.

Conclusions:

  • A significant decrease in chickenpox cases was observed in Poland in 2021 compared to 2020.
  • Reduced human contact, mask-wearing, and social distancing due to COVID-19 pandemic restrictions likely contributed to lower varicella virus transmission.
  • The study highlights the impact of public health interventions on infectious disease dynamics.