Recent measles cases in Mexico have sparked concern and humor on social media, with memes about vaccination records. Experts attribute the resurgence to declining vaccination rates since 2019, leading to the loss of herd immunity. The government provides free vaccines for vulnerable groups.
The measles outbreak in Mexico is no coincidence, according to Dr. Alejandro Macías, an expert in viral diseases. In 2019 and 2024 social media posts, he warned that the virus's entry was imminent due to declining vaccination rates, particularly among children under 5. Coverage for this group was 71.3% from 2021 to 2023, per a study in Salud Pública de México, below the 95% needed for herd immunity.
Macías stressed that rates below 90% pose a serious risk of resurgences. In 2024, the rate was around 75%, explaining the current rise in cases. The Mexican government recommends a complete schedule: the triple viral (SRP) vaccine from 6 months for children up to 9 years, and the double viral for teens and adults aged 10 to 49 with incomplete schemes. Vaccines are available free at health modules.
Beyond concern, the cases have inspired memes on social media, where users ask their mothers if they were vaccinated as children or hunt for their records. A complete schedule means no extra dose is needed, providing lifelong protection, according to the Mayo Clinic. Measles, caused by a virus spread through the air, starts with symptoms like runny nose, watery and red eyes, followed by a skin rash. Complications include blindness, encephalitis, and pneumonia, per the WHO.