Blog

Your guide to health, diagnostics and prevention.

Doctor performing a nasal swab for a 12-in-1 rapid test detecting Mycoplasma, Legionella and pneumococcus | parahealth
12-in-1

Atypical Pneumonia: Detecting Mycoplasma, Legionella and Pneumococcus Quickly

The 2024 Mycoplasma pneumoniae wave delivered an eleven-fold increase in Saxon case reports. This guide covers the three classic atypical pneumonia pathogens and the new generation of nasal-swab po...

12-in-1Parent checking forehead temperature of a tired child with slightly red eyes - adenovirus symptoms in children | parahealth

Adenovirus in 2026: Symptoms, Course, Diagnosis and Testing

Adenovirus accounted for around 8 percent of circulating respiratory viruses in Germany in late 2024. This guide covers symptoms, types, incubation, pediatric vs. adult presentation, and modern mul...

COVID-19Combo Test Corona Influenza RSV: The Complete Buying Guide 2026

Combo Test Corona Influenza RSV: The Complete Buying Guide 2026

COVID, flu, or RSV? A combo rapid test detects multiple respiratory viruses with a single swab in 15 minutes. This guide compares all 3-in-1, 4-in-1, and 5-in-1 combo tests available in Germany.

Buying GuideBuy COVID Rapid Tests 2026: Which Test Is the Best?

Buy COVID Rapid Tests 2026: Which Test Is the Best?

COVID rapid tests remain essential in 2026. Compare nasal, saliva, and lollipop tests, check BfArM listings, and find the best price - online vs. pharmacy.

Diagnosticsparahealth diagnostics SP-10 male fertility test box for home use

Male Fertility Testing: Home Sperm Test or Semen Analysis?

A home sperm test can provide a private first indication of whether sperm concentration is above or below the test's threshold. It is not the same as a medical semen analysis, which evaluates sever...

DiagnosticsFlu, RSV or COVID — Comparing the Most Common Symptoms

Flu, RSV or COVID — Comparing the Most Common Symptoms

📋 Table of Contents Symptom Comparison at a Glance Influenza (Flu) — Key Characteristics RSV — Key Characteristics COVID-19 — Key Characteristics When Should You Test? Which Test Should You Choos...

Diagnosticsimage_9fc6dce57225ea31bcaa2b712c47e6ad

What Do Sensitivity and Specificity Mean in Medical Testing?

Learn how sensitivity and specificity determine the accuracy of medical tests and their importance for accurate diagnosis.

Diagnosticsimage_ebffa722d545fa2d42742ad48c53689b

False Positive or Negative: What Affects Saliva Tests?

The accuracy of saliva tests is influenced by sample collection, body factors, and test quality. Find out how to achieve reliable results.

DiagnosticsVitamin D home test kit on a wooden table: test cassette, buffer bottle, capillary pipette, lancet, alcohol swab, color card

Vitamin D Test at Home: Step-by-Step Guide & How to Read Results

A vitamin D test at home estimates 25-hydroxyvitamin D from a finger-prick blood drop and shows a result after 10 minutes. This guide walks you through the steps, reading the color card, placing yo...

Diagnosticsimage_a3c6d423f105ba8062a260f2a0fd55e7

Identifying Iron Deficiency: Home Testing & Diagnosis

Iron deficiency can cause serious health problems. Learn to recognise the symptoms and use home tests effectively.

DiagnosticsGrippewelle 2025

Flu Season 2026: Incubation Period, Course of Illness, Protection & Testing

The flu season 2025/2026 is subsiding after peaking in January. Learn about influenza incubation period (1-3 days), the typical day-by-day course, fever duration, and when to see a doctor.

DiagnosticsKO Tropfen Tests in Drinks

Drink Spiking Tests for Nightclubs, Festivals and Bars: The Complete Safety Guide

Drink spiking affects nearly 1 million people annually in the UK alone. Learn about common substances like GHB and ketamine, new legislation in California and Germany, and how DrinkCheck test strip...

DiagnosticsDie Top 3 präzisesten Corona Selbsttests

Precise and Fast: The Top 3 COVID-19 Rapid Tests

Buy high-quality COVID rapid tests online: Learn what to look for and find secure tests to protect your health.

Diagnostics3D illustration of SARS-CoV-2 particles with spike proteins on a light blue-turquoise background, one sharp in front.

COVID Variants 2026: Symptoms, Current Lineages and Tests

COVID variants 2026: the recombinant XFG lineage dominates in the EU/EEA, with NB.1.8.1 also circulating worldwide. Learn which variants are spreading, typical symptoms, testing options and the XFG...

DiagnosticsZuverlässigkeit von Schnelltests

Sensitivity vs. Specificity: What Rapid Test Accuracy Really Means

Sensitivity and specificity are decisive quality criteria for rapid tests. Learn about applicable standards and what to look for here.

DiagnosticsAlle Corona-Testverfahren im Überblick

Test Methods Overview: PCR, PCR Rapid Tests, Antigen or Antibody Tests

PCR, antigen, or antibody tests? Learn how each test works and what advantages and disadvantages each method has here.