The article discusses whether or not someone can catch COVID-19 more than once, including insight from medical experts. Dr. Parikh is included in the piece discussing what IgM and IgG antibodies are and also telling readers that due to the current limited data, “some strains may be deadlier than others.” Dr. Parikh is an allergy and immunology specialist and clinical assistant professor at NYU Langone Health in New York, and board member of advocacy group Physicians for Patient Protection.