The Hamilton Anxiety Rating Scale (HAM-A) and Generalized Anxiety Disorder (GAD) Scale is a widely used and well-validated tool for measuring the severity of anxiety.

Following are article describes the development and validation of Coronavirus Anxiety Scale

Article Coronavirus Anxiety Scale: A brief mental health screener fo...

Hope this is helpful.

Best Wishes,

Apurva

Article Study of knowledge, attitude, anxiety & perceived mental hea...

Here is a link to the Coronavirus Anxiety Scale

https://www.tandfonline.com/doi/pdf/10.1080/07481187.2020.1748481?needAccess=true

The Hospital Anxiety And Depression Scale is a widely used tool in consultation psychiatry. It offers some advantages: it has a long tradition of use in patients with other disorders besides psychiatric disorder; this also allows comparison with co--morbid conditions; it also measures depressive symptoms

R Philip Snaith The Hospital Anxiety And Depression Scale. Health Qual Life Outcomes. 2003; 1: 29. Published online 2003 Aug 1. doi: 10.1186/1477-7525-1-29PMCID: PMC183845PMID: 12914662

COVID-19 Peritraumatic Distress Index (CPDI); described in Qiu J, Shen B, Zhao M,

et al. A nationwide survey of psychological distress among Chinese people in the COVID-19 epidemic: implications and policy recommendations. General Psychiatry 2020;33:e100213. doi:10.1136/gpsych-2020-100213

I also would start with HAD, but it would be useful to built a new scale if there is enough specificity.

Hi. I agree that the Hospital Anxiety and Depression Scale is the best option to assess emotional distress in patients with medical conditions.

Try checking this out:

https://www.researchgate.net/publication/342814764_Role_of_Yoga_in_improving_respiratory_distress_and_anxiety_during_COVID-19_pandemic_-An_evidence_based_review

Yes I and my coauthors have developed an inventory that published in this Article:

A New Self-Reported Assessment Measure for COVID-19 Anxiety Scale (CDAS) in Iran: A Web-Based Study

• July 2020
• Iranian Journal of Public Health
• DOI:
• 10.18502/ijph.v49i7.3585

This may help

Article Coronavirus Anxiety Scale: A brief mental health screener fo...